#1E4458
Closest named color: Charcoal (#264653). oklch(36.8% 0.055 234), rgb(30, 68, 88).
Aa
White text reads best on this color (10.38:1).
About this color
#1E4458 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.055 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.015 away. White text reads best on it, at 10.38:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #1E4458 |
| RGB | rgb(30, 68, 88) |
| HSL | hsl(201, 49%, 23%) |
| OKLCH | oklch(36.8% 0.055 234) |
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 #1E4458 | 10.38:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #1E4458 | 2.02:1 | Fails | Lc 10.0 | Not readable |
| #1E4458 text on white | 10.38:1 | AAA | Lc 93.9 | Preferred for body text |
| #1E4458 text on black | 2.02:1 | Fails | Lc -8.6 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D8
oklch(81% 0.042 233.5)
-
Step 400
400
#77A8C4
oklch(70.7% 0.066 234)
-
Step 500
500
#5192B5
oklch(63.1% 0.085 233.9)
-
Step 600
600
#337CA1
oklch(55.7% 0.092 234)
-
Step 700
700
#24688A
oklch(49.1% 0.086 234.4)
-
Step 800
800
#205570
oklch(42.7% 0.071 234.2)
-
Step 900
900 (this color)
#1E4458
oklch(36.8% 0.055 234)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#1E4458 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) | #3A4359 | 0.035 |
| Deuteranopia (no green cones) | #323D58 | 0.031 |
| Tritanopia (no blue cones) | #00494B | 0.037 |
| Achromatopsia (no color) | #404040 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4458
#1E4458
oklch(36.8% 0.055 234)
- #563722
#563722
oklch(36.8% 0.055 54.3)
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 #1E4458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Grey Blue #29465B ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.031
- Midnight Green #073B4C ΔE 0.040
- Dark Teal #014D4E ΔE 0.042
- Onyx #343A40 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.049
Use #1E4458 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.