#1E4261
Closest named color: Dark Grey Blue (#29465B). oklch(36.8% 0.068 246.9), rgb(30, 66, 97).
Aa
White text reads best on this color (10.46:1).
About this color
#1E4261 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.068 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 10.46:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #1E4261 |
| RGB | rgb(30, 66, 97) |
| HSL | hsl(208, 53%, 25%) |
| OKLCH | oklch(36.8% 0.068 246.9) |
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 #1E4261 | 10.46:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #1E4261 | 2.00:1 | Fails | Lc 9.8 | Not readable |
| #1E4261 text on white | 10.46:1 | AAA | Lc 94.1 | Preferred for body text |
| #1E4261 text on black | 2.00:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4E0
oklch(80.8% 0.051 247.5)
-
Step 400
400
#77A6D1
oklch(70.8% 0.081 246.8)
-
Step 500
500
#518FC5
oklch(63.1% 0.104 246.6)
-
Step 600
600
#3378B2
oklch(55.6% 0.114 247.1)
-
Step 700
700
#256599
oklch(49.2% 0.105 246.8)
-
Step 800
800
#21527C
oklch(42.6% 0.088 247.5)
-
Step 900
900 (this color)
#1E4261
oklch(36.8% 0.068 246.9)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#1E4261 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) | #344362 | 0.027 |
| Deuteranopia (no green cones) | #2B3D60 | 0.020 |
| Tritanopia (no blue cones) | #00494D | 0.051 |
| Achromatopsia (no color) | #3F3F3F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4261
#1E4261
oklch(36.8% 0.068 246.9)
- #573712
#573712
oklch(36.7% 0.068 66.3)
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 #1E4261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.042
- Twilight Blue #0A437A ΔE 0.043
- Marine Blue #01386A ΔE 0.045
- Midnight Green #073B4C ΔE 0.046
- Dark Teal #014D4E ΔE 0.058
Use #1E4261 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.