#27313F
Closest named color: Gunmetal (#293241). oklch(31% 0.029 256.8), rgb(39, 49, 63).
Aa
White text reads best on this color (13.14:1).
About this color
#27313F is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.006 away. White text reads best on it, at 13.14:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #27313F |
| RGB | rgb(39, 49, 63) |
| HSL | hsl(215, 24%, 20%) |
| OKLCH | oklch(31% 0.029 256.8) |
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 #27313F | 13.14:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #27313F | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #27313F text on white | 13.14:1 | AAA | Lc 99.4 | Preferred for body text |
| #27313F text on black | 1.59:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8BA2C3
oklch(70.6% 0.055 257.4)
-
Step 500
500
#6E8BB4
oklch(63% 0.07 257.1)
-
Step 600
600
#5675A0
oklch(55.7% 0.076 256.7)
-
Step 700
700
#466289
oklch(49.1% 0.071 256.8)
-
Step 800
800
#3A506F
oklch(42.7% 0.059 257)
-
Step 900
900
#32425A
oklch(37.6% 0.046 258.3)
-
Step 950
950 (this color)
#27313F
oklch(31% 0.029 256.8)
#27313F 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) | #2C3240 | 0.009 |
| Deuteranopia (no green cones) | #292F3F | 0.007 |
| Tritanopia (no blue cones) | #203436 | 0.025 |
| Achromatopsia (no color) | #303030 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27313F
#27313F
oklch(31% 0.029 256.8)
- #392F20
#392F20
oklch(31.2% 0.029 77.5)
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 #27313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.006
- Space Cadet #2B2D42 ΔE 0.017
- Dark Blue Grey #1F3B4D ΔE 0.036
- Onyx #343A40 ΔE 0.038
- Midnight Green #073B4C ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.043
- Jet #212529 ΔE 0.052
Use #27313F 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.