#64A39E
Closest named color: Cadet Blue (#5F9EA0). oklch(67.1% 0.066 189.3), rgb(100, 163, 158).
Aa
Black text reads best on this color (7.27:1).
About this color
#64A39E is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.066 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.017 away. Black text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #64A39E |
| RGB | rgb(100, 163, 158) |
| HSL | hsl(175, 26%, 52%) |
| OKLCH | oklch(67.1% 0.066 189.3) |
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 #64A39E | 2.88:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #64A39E | 7.27:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #64A39E text on white | 2.88:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #64A39E text on black | 7.27:1 | AAA | Lc -46.8 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A3CAC6
oklch(81% 0.042 188.7)
-
Step 400
400 (this color)
#64A39E
oklch(67.1% 0.066 189.3)
-
Step 500
500
#439A94
oklch(63.2% 0.084 189.1)
-
Step 600
600
#17847E
oklch(55.6% 0.091 189)
-
Step 700
700
#01706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#0C5B57
oklch(42.7% 0.07 189.5)
-
Step 900
900
#164B48
oklch(37.8% 0.055 189.8)
-
Step 950
950
#0F2C2A
oklch(27% 0.035 189.2)
#64A39E 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) | #9D9D9E | 0.070 |
| Deuteranopia (no green cones) | #91949F | 0.066 |
| Tritanopia (no blue cones) | #4BA6A1 | 0.022 |
| Achromatopsia (no color) | #989898 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A39E
#64A39E
oklch(67.1% 0.066 189.3)
- #BA858D
#BA858D
oklch(67.1% 0.066 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 #64A39E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.017
- Dull Teal #5F9E8F ΔE 0.024
- Grey Teal #5E9B8A ΔE 0.034
- Greyblue #77A1B5 ΔE 0.044
- Sea #3C9992 ΔE 0.051
- Bluegrey #85A3B2 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.053
- Greeny Grey #7EA07A ΔE 0.053
Use #64A39E 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.