#6B8A91
Closest named color: Steel (#738595). oklch(61.2% 0.037 213), rgb(107, 138, 145).
Aa
Black text reads best on this color (5.66:1).
About this color
#6B8A91 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.037 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Steel (#738595), ΔE 0.020 away. Black text reads best on it, at 5.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Steel (#738595) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #6B8A91 |
| RGB | rgb(107, 138, 145) |
| HSL | hsl(191, 15%, 49%) |
| OKLCH | oklch(61.2% 0.037 213) |
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 #6B8A91 | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6B8A91 | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #6B8A91 text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6B8A91 text on black | 5.66:1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B4C4C7
oklch(80.9% 0.018 210.2)
-
Step 400
400
#8DA6AB
oklch(70.8% 0.029 211.1)
-
Step 500
500 (this color)
#6B8A91
oklch(61.2% 0.037 213)
-
Step 600
600
#587A81
oklch(55.6% 0.04 211.7)
-
Step 700
700
#48666D
oklch(49% 0.037 213.8)
-
Step 800
800
#3C5459
oklch(42.8% 0.03 211.9)
-
Step 900
900
#334549
oklch(37.7% 0.024 212.8)
-
Step 950
950
#1E282B
oklch(26.9% 0.015 218)
#6B8A91 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) | #848891 | 0.033 |
| Deuteranopia (no green cones) | #7E8391 | 0.031 |
| Tritanopia (no blue cones) | #5F8D8C | 0.020 |
| Achromatopsia (no color) | #858585 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B8A91
#6B8A91
oklch(61.2% 0.037 213)
- #997C76
#997C76
oklch(61.2% 0.037 31.7)
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 #6B8A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.020
- Steel Grey #6F828A ΔE 0.022
- Light Slate Gray #778899 ΔE 0.022
- Slate Gray #708090 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.031
- Gray #808080 ΔE 0.039
- Grey Blue #647D8E ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.040
Use #6B8A91 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.