#64ABB4
Closest named color: Greyblue (#77A1B5). oklch(69.8% 0.073 206.1), rgb(100, 171, 180).
Aa
Black text reads best on this color (8.02:1).
About this color
#64ABB4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.073 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.033 away. Black text reads best on it, at 8.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #64ABB4 |
| RGB | rgb(100, 171, 180) |
| HSL | hsl(187, 35%, 55%) |
| OKLCH | oklch(69.8% 0.073 206.1) |
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 #64ABB4 | 2.61:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #64ABB4 | 8.02:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #64ABB4 text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #64ABB4 text on black | 8.02:1 | AAA | Lc -51.0 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#9FCACF
oklch(81% 0.046 205.1)
-
Step 400
400 (this color)
#64ABB4
oklch(69.8% 0.073 206.1)
-
Step 500
500
#3399A5
oklch(63% 0.093 206.3)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#0A4A51
oklch(37.5% 0.06 206.4)
-
Step 950
950
#0A2C30
oklch(27.1% 0.039 206.2)
#64ABB4 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) | #A1A6B5 | 0.072 |
| Deuteranopia (no green cones) | #939CB4 | 0.065 |
| Tritanopia (no blue cones) | #3DB0AE | 0.035 |
| Achromatopsia (no color) | #A0A0A0 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64ABB4
#64ABB4
oklch(69.8% 0.073 206.1)
- #C78D86
#C78D86
oklch(69.8% 0.072 26.8)
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 #64ABB4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.042
- Turquoise Blue #06B1C4 ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.050
- Cool Grey #95A3A6 ΔE 0.057
- Cool Steel #97A7B3 ΔE 0.058
Use #64ABB4 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.