#667387
Closest named color: Battleship Gray (#6C757D). oklch(55.2% 0.035 258.9), rgb(102, 115, 135).
Aa
White text reads best on this color (4.80:1).
About this color
#667387 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.035 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.020 away. White text reads best on it, at 4.80:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.36:1 |
| White text | 4.80:1 |
Values
| HEX | #667387 |
| RGB | rgb(102, 115, 135) |
| HSL | hsl(216, 14%, 46%) |
| OKLCH | oklch(55.2% 0.035 258.9) |
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 #667387 | 4.80:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #667387 | 4.36:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #667387 text on white | 4.80:1 | AA | Lc 73.4 | Content text, not long reading |
| #667387 text on black | 4.36:1 | AA large text | Lc -28.3 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CB
oklch(80.9% 0.016 260.7)
-
Step 400
400
#97A1B1
oklch(70.6% 0.026 259.8)
-
Step 500
500
#7E8A9D
oklch(63% 0.032 259.6)
-
Step 600
600 (this color)
#667387
oklch(55.2% 0.035 258.9)
-
Step 700
700
#566174
oklch(49% 0.033 261.4)
-
Step 800
800
#46505E
oklch(42.8% 0.027 256.8)
-
Step 900
900
#3B424D
oklch(37.7% 0.021 259.4)
-
Step 950
950
#23272D
oklch(27.1% 0.013 258.4)
#667387 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) | #6C7488 | 0.009 |
| Deuteranopia (no green cones) | #697187 | 0.007 |
| Tritanopia (no blue cones) | #5D7779 | 0.031 |
| Achromatopsia (no color) | #727272 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #667387
#667387
oklch(55.2% 0.035 258.9)
- #7D705B
#7D705B
oklch(55.1% 0.035 79.7)
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 #667387, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.020
- Grey Blue #647D8E ΔE 0.028
- Battleship Grey #6B7C85 ΔE 0.029
- Metallic Blue #4F738E ΔE 0.031
- Stormy Blue #507B9C ΔE 0.040
- Slate Gray #708090 ΔE 0.041
- Dull Blue #49759C ΔE 0.045
- Grey Purple #826D8C ΔE 0.046
Use #667387 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.