#1E409C
Closest named color: Sapphire (#2138AB). oklch(40.7% 0.155 264.8), rgb(30, 64, 156).
Aa
White text reads best on this color (9.25:1).
About this color
#1E409C is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.155 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.030 away. White text reads best on it, at 9.25:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #1E409C |
| RGB | rgb(30, 64, 156) |
| HSL | hsl(224, 68%, 36%) |
| OKLCH | oklch(40.7% 0.155 264.8) |
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 #1E409C | 9.25:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #1E409C | 2.26:1 | Fails | Lc 13.2 | Not readable |
| #1E409C text on white | 9.25:1 | AAA | Lc 90.8 | Preferred for body text |
| #1E409C text on black | 2.26:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A4C0FC
oklch(80.9% 0.091 265)
-
Step 400
400
#739DFB
oklch(70.7% 0.146 264.7)
-
Step 500
500
#5081F8
oklch(63.1% 0.186 264.8)
-
Step 600
600
#3667E7
oklch(55.6% 0.201 264.7)
-
Step 700
700
#2954C9
oklch(49% 0.188 264.8)
-
Step 800
800 (this color)
#1E409C
oklch(40.7% 0.155 264.8)
-
Step 900
900
#213C81
oklch(37.7% 0.121 265)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#1E409C 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) | #004D9F | 0.034 |
| Deuteranopia (no green cones) | #00429A | 0.017 |
| Tritanopia (no blue cones) | #005767 | 0.121 |
| Achromatopsia (no color) | #474747 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E409C
#1E409C
oklch(40.7% 0.155 264.8)
- #5E4500
#5E4500
oklch(40.7% 0.083 84.9)
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 #1E409C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.030
- Cobalt #1E488F ΔE 0.031
- Blueberry #464196 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.060
- Twilight Blue #0A437A ΔE 0.060
- Dusk Blue #26538D ΔE 0.062
- Light Navy #155084 ΔE 0.063
- Blue Blue #2242C7 ΔE 0.070
Use #1E409C 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.