#6FA3A4
Closest named color: Cadet Blue (#5F9EA0). oklch(67.9% 0.055 197.5), rgb(111, 163, 164).
Aa
Black text reads best on this color (7.45:1).
About this color
#6FA3A4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 68%, its chroma 0.055 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.024 away. Black text reads best on it, at 7.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #6FA3A4 |
| RGB | rgb(111, 163, 164) |
| HSL | hsl(181, 23%, 54%) |
| OKLCH | oklch(67.9% 0.055 197.5) |
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 #6FA3A4 | 2.81:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #6FA3A4 | 7.45:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #6FA3A4 text on white | 2.81:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #6FA3A4 text on black | 7.45:1 | AAA | Lc -47.7 | 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 400.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDD
oklch(88.4% 0.019 196.8)
-
Step 300
300
#A8C8C8
oklch(80.9% 0.034 196.5)
-
Step 400
400 (this color)
#6FA3A4
oklch(67.9% 0.055 197.5)
-
Step 500
500
#519798
oklch(63.1% 0.071 196.7)
-
Step 600
600
#318183
oklch(55.6% 0.077 197.5)
-
Step 700
700
#236D6F
oklch(49.1% 0.071 197.7)
-
Step 800
800
#1F595A
oklch(42.7% 0.059 196.8)
-
Step 900
900
#20494A
oklch(37.7% 0.046 197.5)
-
Step 950
950
#142B2B
oklch(27% 0.029 195.6)
#6FA3A4 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) | #9C9EA4 | 0.057 |
| Deuteranopia (no green cones) | #9297A4 | 0.052 |
| Tritanopia (no blue cones) | #5BA6A3 | 0.021 |
| Achromatopsia (no color) | #9A9A9A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6FA3A4
#6FA3A4
oklch(67.9% 0.055 197.5)
- #B88B8C
#B88B8C
oklch(68% 0.055 17.1)
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 #6FA3A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.024
- Greyblue #77A1B5 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.039
- Grey Teal #5E9B8A ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.051
Use #6FA3A4 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.