#1E2F40
Closest named color: Gunmetal (#293241). oklch(29.9% 0.038 249.2), rgb(30, 47, 64).
Aa
White text reads best on this color (13.67:1).
About this color
#1E2F40 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.038 and its hue 249°. 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 13.67:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.53:1 |
| White text | 13.67:1 |
Values
| HEX | #1E2F40 |
| RGB | rgb(30, 47, 64) |
| HSL | hsl(210, 36%, 18%) |
| OKLCH | oklch(29.9% 0.038 249.2) |
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 #1E2F40 | 13.67:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #1E2F40 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #1E2F40 text on white | 13.67:1 | AAA | Lc 100.2 | Preferred for body text |
| #1E2F40 text on black | 1.53:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ABC4DD
oklch(81% 0.045 248.4)
-
Step 400
400
#7DA5CD
oklch(70.8% 0.073 248.9)
-
Step 500
500
#5B8EC0
oklch(63.2% 0.094 249)
-
Step 600
600
#4077AC
oklch(55.6% 0.102 249.3)
-
Step 700
700
#326494
oklch(49.1% 0.094 249.5)
-
Step 800
800
#2A5278
oklch(42.8% 0.078 249)
-
Step 900
900
#274460
oklch(37.7% 0.06 248.9)
-
Step 950
950 (this color)
#1E2F40
oklch(29.9% 0.038 249.2)
#1E2F40 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) | #282F41 | 0.015 |
| Deuteranopia (no green cones) | #242C40 | 0.013 |
| Tritanopia (no blue cones) | #0F3335 | 0.033 |
| Achromatopsia (no color) | #2E2E2E | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E2F40
#1E2F40
oklch(29.9% 0.038 249.2)
- #3A2A17
#3A2A17
oklch(29.9% 0.039 70.2)
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 #1E2F40, 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 0.021
- Oxford Blue #1B263B ΔE 0.031
- Midnight Green #073B4C ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.042
- Dark #1B2431 ΔE 0.042
- Jet #212529 ΔE 0.046
Use #1E2F40 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.