#6CA3BB
Closest named color: Greyblue (#77A1B5). oklch(68.6% 0.068 227.3), rgb(108, 163, 187).
Aa
Black text reads best on this color (7.59:1).
About this color
#6CA3BB is a medium-light, muted teal or cyan. In OKLCH its lightness is 69%, its chroma 0.068 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.014 away. Black text reads best on it, at 7.59:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.59:1 |
| White text | 2.76:1 |
Values
| HEX | #6CA3BB |
| RGB | rgb(108, 163, 187) |
| HSL | hsl(198, 37%, 58%) |
| OKLCH | oklch(68.6% 0.068 227.3) |
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 #6CA3BB | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #6CA3BB | 7.59:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #6CA3BB text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #6CA3BB text on black | 7.59:1 | AAA | Lc -48.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D6
oklch(81% 0.042 226.4)
-
Step 400
400 (this color)
#6CA3BB
oklch(68.6% 0.068 227.3)
-
Step 500
500
#4A94B2
oklch(63.1% 0.086 227.1)
-
Step 600
600
#267E9E
oklch(55.6% 0.094 227)
-
Step 700
700
#176A87
oklch(49.1% 0.087 227.1)
-
Step 800
800
#17576E
oklch(42.8% 0.073 226.8)
-
Step 900
900
#1B4759
oklch(37.6% 0.057 228.1)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#6CA3BB 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) | #96A1BC | 0.051 |
| Deuteranopia (no green cones) | #8B98BB | 0.045 |
| Tritanopia (no blue cones) | #4CAAAB | 0.046 |
| Achromatopsia (no color) | #9B9B9B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA3BB
#6CA3BB
oklch(68.6% 0.068 227.3)
- #BE8E76
#BE8E76
oklch(68.7% 0.068 47.7)
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 #6CA3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.014
- Bluegrey #85A3B2 ΔE 0.030
- Bluey Grey #89A0B0 ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.044
- Cool Steel #97A7B3 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.060
Use #6CA3BB 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.