#676E91
Closest named color: Metallic Blue (#4F738E). oklch(54.6% 0.055 275.6), rgb(103, 110, 145).
Aa
White text reads best on this color (4.98:1).
About this color
#676E91 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.055 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.034 away. White text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #676E91 |
| RGB | rgb(103, 110, 145) |
| HSL | hsl(230, 17%, 49%) |
| OKLCH | oklch(54.6% 0.055 275.6) |
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 #676E91 | 4.98:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #676E91 | 4.21:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #676E91 text on white | 4.98:1 | AA | Lc 74.5 | Content text, not long reading |
| #676E91 text on black | 4.21:1 | AA large text | Lc -27.3 | Dividers and decoration only |
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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BCC0D1
oklch(81% 0.024 275.3)
-
Step 400
400
#999FBA
oklch(70.7% 0.04 275.5)
-
Step 500
500
#8087A9
oklch(63% 0.052 275.7)
-
Step 600
600 (this color)
#676E91
oklch(54.6% 0.055 275.6)
-
Step 700
700
#585F7E
oklch(49.2% 0.05 274.5)
-
Step 800
800
#484D67
oklch(42.6% 0.044 275.9)
-
Step 900
900
#3C4053
oklch(37.6% 0.033 275.4)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#676E91 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) | #647193 | 0.009 |
| Deuteranopia (no green cones) | #616E90 | 0.009 |
| Tritanopia (no blue cones) | #5C757A | 0.050 |
| Achromatopsia (no color) | #707070 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #676E91
#676E91
oklch(54.6% 0.055 275.6)
- #7A704B
#7A704B
oklch(54.5% 0.055 94.8)
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 #676E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.034
- Dull Blue #49759C ΔE 0.040
- Grey Purple #826D8C ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Battleship Gray #6C757D ΔE 0.044
- Grey Blue #647D8E ΔE 0.046
- Cerulean #457B9D ΔE 0.050
- Purple Grey #866F85 ΔE 0.051
Use #676E91 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.