#1C4886
Closest named color: Cobalt (#1E488F). oklch(40.7% 0.115 257.7), rgb(28, 72, 134).
Aa
White text reads best on this color (9.04:1).
About this color
#1C4886 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.115 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.015 away. White text reads best on it, at 9.04:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #1C4886 |
| RGB | rgb(28, 72, 134) |
| HSL | hsl(215, 65%, 32%) |
| OKLCH | oklch(40.7% 0.115 257.7) |
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 #1C4886 | 9.04:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #1C4886 | 2.32:1 | Fails | Lc 13.5 | Not readable |
| #1C4886 text on white | 9.04:1 | AAA | Lc 90.4 | Preferred for body text |
| #1C4886 text on black | 2.32:1 | Fails | Lc -11.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADAF2
oklch(88.4% 0.037 258.4)
-
Step 300
300
#A6C3EC
oklch(81% 0.066 257)
-
Step 400
400
#76A2E3
oklch(70.7% 0.107 258)
-
Step 500
500
#518ADB
oklch(63.2% 0.137 257.4)
-
Step 600
600
#3572C8
oklch(55.6% 0.148 257.5)
-
Step 700
700
#275FAD
oklch(49.1% 0.138 257.5)
-
Step 800
800 (this color)
#1C4886
oklch(40.7% 0.115 257.7)
-
Step 900
900
#214170
oklch(37.6% 0.089 258)
-
Step 950
950
#142742
oklch(27.2% 0.056 257.3)
#1C4886 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) | #284E88 | 0.022 |
| Deuteranopia (no green cones) | #114485 | 0.015 |
| Tritanopia (no blue cones) | #005760 | 0.089 |
| Achromatopsia (no color) | #494949 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C4886
#1C4886
oklch(40.7% 0.115 257.7)
- #624200
#624200
oklch(40.5% 0.085 77.5)
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 #1C4886, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.015
- Light Navy #155084 ΔE 0.024
- Twilight Blue #0A437A ΔE 0.028
- Dusk Blue #26538D ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.058
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.060
Use #1C4886 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.