#6CA3A3
Closest named color: Cadet Blue (#5F9EA0). oklch(67.7% 0.058 195.9), rgb(108, 163, 163).
Aa
Black text reads best on this color (7.40:1).
About this color
#6CA3A3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.058 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.021 away. Black text reads best on it, at 7.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #6CA3A3 |
| RGB | rgb(108, 163, 163) |
| HSL | hsl(180, 23%, 53%) |
| OKLCH | oklch(67.7% 0.058 195.9) |
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 #6CA3A3 | 2.83:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #6CA3A3 | 7.40:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #6CA3A3 text on white | 2.83:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #6CA3A3 text on black | 7.40:1 | AAA | Lc -47.5 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDEDD
oklch(88.6% 0.02 193)
-
Step 300
300
#A6C8C8
oklch(80.8% 0.036 196.5)
-
Step 400
400 (this color)
#6CA3A3
oklch(67.7% 0.058 195.9)
-
Step 500
500
#4D9898
oklch(63.2% 0.075 195.4)
-
Step 600
600
#2C8283
oklch(55.7% 0.08 196.2)
-
Step 700
700
#1C6E6E
oklch(49.2% 0.075 195)
-
Step 800
800
#1B595A
oklch(42.6% 0.062 196.6)
-
Step 900
900
#1E4A4A
oklch(37.8% 0.048 195.3)
-
Step 950
950
#132B2B
oklch(27% 0.03 195.5)
#6CA3A3 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) | #9C9EA3 | 0.060 |
| Deuteranopia (no green cones) | #9296A4 | 0.057 |
| Tritanopia (no blue cones) | #57A6A3 | 0.021 |
| Achromatopsia (no color) | #999999 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA3A3
#6CA3A3
oklch(67.7% 0.058 195.9)
- #B9898B
#B9898B
oklch(67.7% 0.059 16)
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 #6CA3A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.021
- Greyblue #77A1B5 ΔE 0.033
- Dull Teal #5F9E8F ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.054
Use #6CA3A3 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.