#64A4C2
Closest named color: Greyblue (#77A1B5). oklch(68.7% 0.079 229.6), rgb(100, 164, 194).
Aa
Black text reads best on this color (7.63:1).
About this color
#64A4C2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.079 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.025 away. Black text reads best on it, at 7.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.63:1 |
| White text | 2.75:1 |
Values
| HEX | #64A4C2 |
| RGB | rgb(100, 164, 194) |
| HSL | hsl(199, 44%, 58%) |
| OKLCH | oklch(68.7% 0.079 229.6) |
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 #64A4C2 | 2.75:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #64A4C2 | 7.63:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #64A4C2 text on white | 2.75:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #64A4C2 text on black | 7.63:1 | AAA | Lc -48.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A1C7DB
oklch(80.9% 0.049 231.1)
-
Step 400
400 (this color)
#64A4C2
oklch(68.7% 0.079 229.6)
-
Step 500
500
#3B95BB
oklch(63.2% 0.101 229.5)
-
Step 600
600
#027EA7
oklch(55.6% 0.11 230.1)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#11485E
oklch(37.8% 0.066 229.6)
-
Step 950
950
#0D2A37
oklch(27% 0.042 230.5)
#64A4C2 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) | #95A2C4 | 0.057 |
| Deuteranopia (no green cones) | #8797C2 | 0.051 |
| Tritanopia (no blue cones) | #35ACAE | 0.056 |
| Achromatopsia (no color) | #9C9C9C | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A4C2
#64A4C2
oklch(68.7% 0.079 229.6)
- #C38C6E
#C38C6E
oklch(68.7% 0.08 49.6)
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 #64A4C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.025
- Bluegrey #85A3B2 ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.064
- Silver Lake Blue #778DA9 ΔE 0.065
Use #64A4C2 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.