#617281
Closest named color: Battleship Gray (#6C757D). oklch(54.4% 0.031 245), rgb(97, 114, 129).
Aa
White text reads best on this color (4.96:1).
About this color
#617281 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.031 and its hue 245°. 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 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.23:1 |
| White text | 4.96:1 |
Values
| HEX | #617281 |
| RGB | rgb(97, 114, 129) |
| HSL | hsl(208, 14%, 44%) |
| OKLCH | oklch(54.4% 0.031 245) |
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 #617281 | 4.96:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #617281 | 4.23:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #617281 text on white | 4.96:1 | AA | Lc 74.3 | Content text, not long reading |
| #617281 text on black | 4.23:1 | AA large text | Lc -27.4 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#B9C2C9
oklch(80.9% 0.014 241)
-
Step 400
400
#95A2AE
oklch(70.6% 0.023 246)
-
Step 500
500
#7C8C9A
oklch(63.2% 0.028 244.6)
-
Step 600
600 (this color)
#617281
oklch(54.4% 0.031 245)
-
Step 700
700
#536370
oklch(49.1% 0.029 242.8)
-
Step 800
800
#44515B
oklch(42.7% 0.023 241.2)
-
Step 900
900
#3A434B
oklch(37.8% 0.018 245.1)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#617281 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) | #6C7282 | 0.016 |
| Deuteranopia (no green cones) | #686E81 | 0.015 |
| Tritanopia (no blue cones) | #587677 | 0.026 |
| Achromatopsia (no color) | #707070 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617281
#617281
oklch(54.4% 0.031 245)
- #7D6C5D
#7D6C5D
oklch(54.3% 0.031 63.5)
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 #617281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.020
- Metallic Blue #4F738E ΔE 0.028
- Battleship Grey #6B7C85 ΔE 0.033
- Grey Blue #647D8E ΔE 0.034
- Dim Gray #696969 ΔE 0.039
- Stormy Blue #507B9C ΔE 0.045
- Dull Blue #49759C ΔE 0.047
- Slate #516572 ΔE 0.049
Use #617281 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.