#6B899B
Closest named color: Steel (#738595). oklch(61.4% 0.044 234.8), rgb(107, 137, 155).
Aa
Black text reads best on this color (5.67:1).
About this color
#6B899B is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.044 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.015 away. Black text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #6B899B |
| RGB | rgb(107, 137, 155) |
| HSL | hsl(203, 19%, 51%) |
| OKLCH | oklch(61.4% 0.044 234.8) |
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 #6B899B | 3.69:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6B899B | 5.67:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #6B899B text on white | 3.69:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6B899B text on black | 5.67:1 | AA | Lc -37.1 | 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 500.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBE0
oklch(88.6% 0.012 231.7)
-
Step 300
300
#B4C3CD
oklch(80.9% 0.022 236.8)
-
Step 400
400
#8DA5B3
oklch(70.8% 0.034 233.5)
-
Step 500
500 (this color)
#6B899B
oklch(61.4% 0.044 234.8)
-
Step 600
600
#58788B
oklch(55.5% 0.047 234.8)
-
Step 700
700
#486576
oklch(49.1% 0.044 234.6)
-
Step 800
800
#3B5260
oklch(42.5% 0.037 235.5)
-
Step 900
900
#33444F
oklch(37.7% 0.029 236.9)
-
Step 950
950
#1E282E
oklch(27% 0.018 234.7)
#6B899B 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) | #81889C | 0.029 |
| Deuteranopia (no green cones) | #7A829B | 0.027 |
| Tritanopia (no blue cones) | #5C8E8F | 0.033 |
| Achromatopsia (no color) | #858585 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B899B
#6B899B
oklch(61.4% 0.044 234.8)
- #9A7E6C
#9A7E6C
oklch(61.5% 0.044 54.5)
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 #6B899B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.015
- Light Slate Gray #778899 ΔE 0.015
- Blue Grey #758DA3 ΔE 0.021
- Slate Gray #708090 ΔE 0.026
- Steel Grey #6F828A ΔE 0.027
- Silver Lake Blue #778DA9 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.037
Use #6B899B 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.