#6B809A
Closest named color: Slate Gray (#708090). oklch(59.3% 0.047 254), rgb(107, 128, 154).
Aa
Black text reads best on this color (5.17:1).
About this color
#6B809A is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.047 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.016 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #6B809A |
| RGB | rgb(107, 128, 154) |
| HSL | hsl(213, 19%, 51%) |
| OKLCH | oklch(59.3% 0.047 254) |
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 #6B809A | 4.05:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #6B809A | 5.17:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #6B809A text on white | 4.05:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #6B809A text on black | 5.17:1 | AA | Lc -33.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE1
oklch(88.6% 0.012 252.1)
-
Step 300
300
#B8C2CE
oklch(81% 0.02 252.9)
-
Step 400
400
#92A2B6
oklch(70.6% 0.034 254.1)
-
Step 500
500
#788BA4
oklch(63.1% 0.044 255.4)
-
Step 600
600 (this color)
#6B809A
oklch(59.3% 0.047 254)
-
Step 700
700
#506279
oklch(49% 0.043 254.7)
-
Step 800
800
#415063
oklch(42.6% 0.037 254.5)
-
Step 900
900
#374351
oklch(37.8% 0.029 252.5)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#6B809A 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) | #77819B | 0.017 |
| Deuteranopia (no green cones) | #717C99 | 0.013 |
| Tritanopia (no blue cones) | #5D8688 | 0.042 |
| Achromatopsia (no color) | #7E7E7E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B809A
#6B809A
oklch(59.3% 0.047 254)
- #8F7A5F
#8F7A5F
oklch(59.2% 0.047 73.7)
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 #6B809A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.016
- Grey Blue #647D8E ΔE 0.022
- Steel #738595 ΔE 0.022
- Lavender Gray #7E7F9A ΔE 0.026
- Steel Grey #6F828A ΔE 0.028
- Light Slate Gray #778899 ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.033
Use #6B809A 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.