#617870
Closest named color: Battleship Gray (#6C757D). oklch(55.2% 0.03 172), rgb(97, 120, 112).
Aa
White text reads best on this color (4.74:1).
About this color
#617870 is a medium-dark close to neutral grey. In OKLCH its lightness is 55%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.030 away. White text reads best on it, at 4.74:1.
| Hue family | Neutrals |
| Lightness | medium-dark (55%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #617870 |
| RGB | rgb(97, 120, 112) |
| HSL | hsl(159, 11%, 43%) |
| OKLCH | oklch(55.2% 0.03 172) |
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 #617870 | 4.74:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #617870 | 4.42:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #617870 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #617870 text on black | 4.42:1 | AA large text | Lc -28.8 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD8
oklch(88.5% 0.009 168.7)
-
Step 300
300
#B8C3BF
oklch(80.7% 0.013 172.3)
-
Step 400
400
#94A59F
oklch(70.7% 0.021 172.5)
-
Step 500
500
#798F87
oklch(63% 0.028 171.4)
-
Step 600
600 (this color)
#617870
oklch(55.2% 0.03 172)
-
Step 700
700
#51665F
oklch(49.1% 0.028 172.8)
-
Step 800
800
#43534D
oklch(42.7% 0.022 170.5)
-
Step 900
900
#384540
oklch(37.7% 0.019 170)
-
Step 950
950
#212826
oklch(26.9% 0.011 176.4)
#617870 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) | #767570 | 0.030 |
| Deuteranopia (no green cones) | #727271 | 0.029 |
| Tritanopia (no blue cones) | #5C7876 | 0.011 |
| Achromatopsia (no color) | #737373 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #617870
#617870
oklch(55.2% 0.03 172)
- #816B74
#816B74
oklch(55.2% 0.031 351.6)
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 #617870, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.036
- Dim Gray #696969 ΔE 0.043
- Grey Blue #647D8E ΔE 0.045
- Steel Grey #6F828A ΔE 0.049
- Medium Grey #7D7F7C ΔE 0.049
- Grey Brown #7F7053 ΔE 0.054
- Slate Gray #708090 ΔE 0.055
Use #617870 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.