#64BACE
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.3% 0.088 214.7), rgb(100, 186, 206).
Aa
Black text reads best on this color (9.45:1).
About this color
#64BACE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.088 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.054 away. Black text reads best on it, at 9.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #64BACE |
| RGB | rgb(100, 186, 206) |
| HSL | hsl(191, 52%, 60%) |
| OKLCH | oklch(74.3% 0.088 214.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #64BACE | 2.22:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #64BACE | 9.45:1 | AAA | Lc 60.4 | Content text, not long reading |
| #64BACE text on white | 2.22:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #64BACE text on black | 9.45:1 | AAA | Lc -58.6 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C3DFE6
oklch(88.5% 0.031 214.5)
-
Step 300
300
#98CAD7
oklch(80.8% 0.055 215.5)
-
Step 400
400 (this color)
#64BACE
oklch(74.3% 0.088 214.7)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#022C34
oklch(27% 0.046 213.8)
#64BACE with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #ABB5CF | 0.079 |
| Deuteranopia (no green cones) | #9BA9CE | 0.071 |
| Tritanopia (no blue cones) | #1DC2C0 | 0.052 |
| Achromatopsia (no color) | #AEAEAE | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64BACE
#64BACE
oklch(74.3% 0.088 214.7)
- #DD9886
#DD9886
oklch(74.3% 0.088 35.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64BACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Dark Turquoise #00CED1 ΔE 0.063
- Light Grey Blue #9DBCD4 ΔE 0.063
- Medium Turquoise #48D1CC ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.067
- Topaz #13BBAF ΔE 0.067
Use #64BACE in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.