#1E313B
Closest named color: Gunmetal (#293241). oklch(30.1% 0.031 232.1), rgb(30, 49, 59).
Aa
White text reads best on this color (13.48:1).
About this color
#1E313B is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.031 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.020 away. White text reads best on it, at 13.48:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.55:1 |
| White text | 13.48:1 |
Values
| HEX | #1E313B |
| RGB | rgb(30, 49, 59) |
| HSL | hsl(201, 33%, 17%) |
| OKLCH | oklch(30.1% 0.031 232.1) |
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 #1E313B | 13.48:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #1E313B | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #1E313B text on white | 13.48:1 | AAA | Lc 99.9 | Preferred for body text |
| #1E313B text on black | 1.55:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC5D4
oklch(80.8% 0.036 232.2)
-
Step 400
400
#7CA8BF
oklch(70.8% 0.058 231.4)
-
Step 500
500
#5992AF
oklch(63.2% 0.074 231.7)
-
Step 600
600
#3C7B9A
oklch(55.4% 0.081 232.1)
-
Step 700
700
#2E6884
oklch(49.1% 0.075 232.1)
-
Step 800
800
#27556B
oklch(42.7% 0.062 231.5)
-
Step 900
900
#254657
oklch(37.7% 0.048 232.5)
-
Step 950
950 (this color)
#1E313B
oklch(30.1% 0.031 232.1)
#1E313B 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) | #2C303C | 0.021 |
| Deuteranopia (no green cones) | #282D3B | 0.019 |
| Tritanopia (no blue cones) | #123434 | 0.024 |
| Achromatopsia (no color) | #2F2F2F | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E313B
#1E313B
oklch(30.1% 0.031 232.1)
- #3B2A20
#3B2A20
oklch(30.2% 0.031 51.7)
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 #1E313B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.020
- Space Cadet #2B2D42 ΔE 0.029
- Oxford Blue #1B263B ΔE 0.039
- Midnight Green #073B4C ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.041
- Jet #212529 ΔE 0.045
- Dark #1B2431 ΔE 0.045
- Onyx #343A40 ΔE 0.047
Use #1E313B 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.