#649FAA
Closest named color: Cadet Blue (#5F9EA0). oklch(66.6% 0.063 210.6), rgb(100, 159, 170).
Aa
Black text reads best on this color (7.08:1).
About this color
#649FAA is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.063 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.016 away. Black text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #649FAA |
| RGB | rgb(100, 159, 170) |
| HSL | hsl(189, 29%, 53%) |
| OKLCH | oklch(66.6% 0.063 210.6) |
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 #649FAA | 2.96:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #649FAA | 7.08:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #649FAA text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #649FAA text on black | 7.08:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC6CC
oklch(80.8% 0.03 212.6)
-
Step 400
400
#7DA9B2
oklch(70.6% 0.049 211.6)
-
Step 500
500 (this color)
#649FAA
oklch(66.6% 0.063 210.6)
-
Step 600
600
#3D7E8A
oklch(55.5% 0.069 211.2)
-
Step 700
700
#2E6B75
oklch(49.2% 0.064 209.7)
-
Step 800
800
#28575F
oklch(42.7% 0.053 210)
-
Step 900
900
#25484E
oklch(37.8% 0.042 209.8)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#649FAA 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) | #959BAB | 0.060 |
| Deuteranopia (no green cones) | #8A92AA | 0.055 |
| Tritanopia (no blue cones) | #46A4A2 | 0.034 |
| Achromatopsia (no color) | #969696 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649FAA
#649FAA
oklch(66.6% 0.063 210.6)
- #B8867D
#B8867D
oklch(66.7% 0.063 30.3)
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 #649FAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.016
- Greyblue #77A1B5 ΔE 0.028
- Dull Teal #5F9E8F ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.048
- Blue Grey #758DA3 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.052
Use #649FAA 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.