#677288
Closest named color: Battleship Gray (#6C757D). oklch(55.1% 0.037 264.2), rgb(103, 114, 136).
Aa
White text reads best on this color (4.83:1).
About this color
#677288 is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.037 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.023 away. White text reads best on it, at 4.83:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.33:1 |
| White text | 4.83:1 |
Values
| HEX | #677288 |
| RGB | rgb(103, 114, 136) |
| HSL | hsl(220, 14%, 47%) |
| OKLCH | oklch(55.1% 0.037 264.2) |
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 #677288 | 4.83:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #677288 | 4.33:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #677288 text on white | 4.83:1 | AA | Lc 73.6 | Content text, not long reading |
| #677288 text on black | 4.33:1 | AA large text | Lc -28.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
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
#BBC1CC
oklch(81% 0.017 262.7)
-
Step 400
400
#98A1B2
oklch(70.7% 0.027 263.3)
-
Step 500
500
#7F8A9F
oklch(63.2% 0.034 263.4)
-
Step 600
600 (this color)
#677288
oklch(55.1% 0.037 264.2)
-
Step 700
700
#576175
oklch(49.2% 0.034 264.2)
-
Step 800
800
#474F5F
oklch(42.7% 0.029 264.2)
-
Step 900
900
#3C424E
oklch(37.8% 0.022 264.3)
-
Step 950
950
#23262D
oklch(26.9% 0.014 267)
#677288 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) | #6B7389 | 0.007 |
| Deuteranopia (no green cones) | #687087 | 0.006 |
| Tritanopia (no blue cones) | #5F7679 | 0.032 |
| Achromatopsia (no color) | #727272 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677288
#677288
oklch(55.1% 0.037 264.2)
- #7C7059
#7C7059
oklch(55% 0.037 83.6)
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 #677288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.023
- Grey Blue #647D8E ΔE 0.031
- Metallic Blue #4F738E ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.041
- Slate Gray #708090 ΔE 0.043
- Grey Purple #826D8C ΔE 0.044
- Dull Blue #49759C ΔE 0.045
Use #677288 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.