#64A4B2
Closest named color: Greyblue (#77A1B5). oklch(68.1% 0.069 213.2), rgb(100, 164, 178).
Aa
Black text reads best on this color (7.49:1).
About this color
#64A4B2 is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.069 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.023 away. Black text reads best on it, at 7.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #64A4B2 |
| RGB | rgb(100, 164, 178) |
| HSL | hsl(191, 34%, 55%) |
| OKLCH | oklch(68.1% 0.069 213.2) |
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 #64A4B2 | 2.80:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #64A4B2 | 7.49:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #64A4B2 text on white | 2.80:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #64A4B2 text on black | 7.49:1 | AAA | Lc -48.0 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE3
oklch(88.6% 0.024 212.9)
-
Step 300
300
#A2C8D1
oklch(80.8% 0.042 213.7)
-
Step 400
400 (this color)
#64A4B2
oklch(68.1% 0.069 213.2)
-
Step 500
500
#3E97A9
oklch(63% 0.088 213.2)
-
Step 600
600
#0A8195
oklch(55.5% 0.096 213.8)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#045967
oklch(42.7% 0.074 213.3)
-
Step 900
900
#134954
oklch(37.6% 0.057 214.2)
-
Step 950
950
#0E2B31
oklch(27% 0.036 213.3)
#64A4B2 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) | #99A0B3 | 0.063 |
| Deuteranopia (no green cones) | #8D96B2 | 0.059 |
| Tritanopia (no blue cones) | #40AAA8 | 0.039 |
| Achromatopsia (no color) | #9A9A9A | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A4B2
#64A4B2
oklch(68.1% 0.069 213.2)
- #BF897D
#BF897D
oklch(68% 0.069 32.9)
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 #64A4B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.023
- Cadet Blue #5F9EA0 ΔE 0.029
- Bluegrey #85A3B2 ΔE 0.037
- Bluey Grey #89A0B0 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.051
- Cool Gray #8D99AE ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.053
- Cool Grey #95A3A6 ΔE 0.058
Use #64A4B2 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.