#1E4658
Closest named color: Charcoal (#264653). oklch(37.4% 0.054 230), rgb(30, 70, 88).
Aa
White text reads best on this color (10.13:1).
About this color
#1E4658 is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.054 and its hue 230°. 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 10.13:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #1E4658 |
| RGB | rgb(30, 70, 88) |
| HSL | hsl(199, 49%, 23%) |
| OKLCH | oklch(37.4% 0.054 230) |
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 #1E4658 | 10.13:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #1E4658 | 2.07:1 | Fails | Lc 10.6 | Not readable |
| #1E4658 text on white | 10.13:1 | AAA | Lc 93.4 | Preferred for body text |
| #1E4658 text on black | 2.07:1 | Fails | Lc -9.1 | 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
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D6
oklch(80.9% 0.04 230.3)
-
Step 400
400
#76A9C2
oklch(70.8% 0.065 230)
-
Step 500
500
#4F93B2
oklch(63.1% 0.083 229.6)
-
Step 600
600
#2F7D9E
oklch(55.6% 0.09 229.7)
-
Step 700
700
#216987
oklch(49.1% 0.084 230.1)
-
Step 800
800
#1E566E
oklch(42.8% 0.07 230)
-
Step 900
900 (this color)
#1E4658
oklch(37.4% 0.054 230)
-
Step 950
950
#132A34
oklch(27.1% 0.034 228.3)
#1E4658 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) | #3D4559 | 0.038 |
| Deuteranopia (no green cones) | #353F58 | 0.033 |
| Tritanopia (no blue cones) | #004B4C | 0.035 |
| Achromatopsia (no color) | #414141 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4658
#1E4658
oklch(37.4% 0.054 230)
- #583826
#583826
oklch(37.4% 0.054 49.8)
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 #1E4658, 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 0.013
- Dark Teal #014D4E ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.043
- Midnight Green #073B4C ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.048
- Deep Teal #00555A ΔE 0.049
Use #1E4658 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.