#6B9DB9
Closest named color: Greyblue (#77A1B5). oklch(67.1% 0.068 233.7), rgb(107, 157, 185).
Aa
Black text reads best on this color (7.14:1).
About this color
#6B9DB9 is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.068 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.020 away. Black text reads best on it, at 7.14:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #6B9DB9 |
| RGB | rgb(107, 157, 185) |
| HSL | hsl(202, 36%, 57%) |
| OKLCH | oklch(67.1% 0.068 233.7) |
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 #6B9DB9 | 2.93:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #6B9DB9 | 7.14:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #6B9DB9 text on white | 2.93:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #6B9DB9 text on black | 7.14:1 | AAA | Lc -46.0 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400 (this color)
#6B9DB9
oklch(67.1% 0.068 233.7)
-
Step 500
500
#5092B6
oklch(63.1% 0.087 234.3)
-
Step 600
600
#307CA2
oklch(55.6% 0.094 234)
-
Step 700
700
#21688A
oklch(49% 0.087 233.7)
-
Step 800
800
#1E5570
oklch(42.6% 0.072 233.6)
-
Step 900
900
#1F465B
oklch(37.6% 0.057 234.6)
-
Step 950
950
#132935
oklch(26.9% 0.036 234.1)
#6B9DB9 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) | #909BBA | 0.045 |
| Deuteranopia (no green cones) | #8593B9 | 0.040 |
| Tritanopia (no blue cones) | #4CA5A6 | 0.052 |
| Achromatopsia (no color) | #979797 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B9DB9
#6B9DB9
oklch(67.1% 0.068 233.7)
- #B78B6E
#B78B6E
oklch(67.2% 0.068 54.6)
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 #6B9DB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.020
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.043
- Silver Lake Blue #778DA9 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.047
- Faded Blue #658CBB ΔE 0.051
Use #6B9DB9 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.