#1E4858
Closest named color: Charcoal (#264653). oklch(37.9% 0.054 225.9), rgb(30, 72, 88).
Aa
White text reads best on this color (9.89:1).
About this color
#1E4858 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.054 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.011 away. White text reads best on it, at 9.89:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #1E4858 |
| RGB | rgb(30, 72, 88) |
| HSL | hsl(197, 49%, 23%) |
| OKLCH | oklch(37.9% 0.054 225.9) |
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 #1E4858 | 9.89:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #1E4858 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #1E4858 text on white | 9.89:1 | AAA | Lc 92.8 | Preferred for body text |
| #1E4858 text on black | 2.12:1 | Fails | Lc -9.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A6C7D5
oklch(81% 0.041 225.4)
-
Step 400
400
#74A9C0
oklch(70.6% 0.065 227)
-
Step 500
500
#4D94B0
oklch(63.2% 0.083 226.1)
-
Step 600
600
#2B7E9B
oklch(55.6% 0.09 225.4)
-
Step 700
700
#1D6A85
oklch(49.1% 0.083 226.3)
-
Step 800
800
#1B566C
oklch(42.6% 0.069 226.9)
-
Step 900
900 (this color)
#1E4858
oklch(37.9% 0.054 225.9)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#1E4858 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) | #3F4659 | 0.041 |
| Deuteranopia (no green cones) | #374058 | 0.037 |
| Tritanopia (no blue cones) | #004D4D | 0.034 |
| Achromatopsia (no color) | #434343 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4858
#1E4858
oklch(37.9% 0.054 225.9)
- #5A3929
#5A3929
oklch(37.9% 0.054 46.5)
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 #1E4858, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.011
- Dark Grey Blue #29465B ΔE 0.014
- Dark Teal #014D4E ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.048
- Midnight Green #073B4C ΔE 0.050
Use #1E4858 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.