#1A4887
Closest named color: Cobalt (#1E488F). oklch(40.7% 0.117 257.4), rgb(26, 72, 135).
Aa
White text reads best on this color (9.04:1).
About this color
#1A4887 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.117 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.014 away. White text reads best on it, at 9.04:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #1A4887 |
| RGB | rgb(26, 72, 135) |
| HSL | hsl(215, 68%, 32%) |
| OKLCH | oklch(40.7% 0.117 257.4) |
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 #1A4887 | 9.04:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #1A4887 | 2.32:1 | Fails | Lc 13.6 | Not readable |
| #1A4887 text on white | 9.04:1 | AAA | Lc 90.4 | Preferred for body text |
| #1A4887 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
#CADBF3
oklch(88.6% 0.038 257)
-
Step 300
300
#A5C3ED
oklch(81% 0.068 256.8)
-
Step 400
400
#74A2E4
oklch(70.6% 0.109 257.4)
-
Step 500
500
#4F8ADC
oklch(63.2% 0.139 257)
-
Step 600
600
#3272CA
oklch(55.7% 0.151 257.2)
-
Step 700
700
#255FAF
oklch(49.2% 0.141 257.5)
-
Step 800
800 (this color)
#1A4887
oklch(40.7% 0.117 257.4)
-
Step 900
900
#204171
oklch(37.7% 0.091 257.9)
-
Step 950
950
#132742
oklch(27.1% 0.057 256.4)
#1A4887 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) | #274E89 | 0.023 |
| Deuteranopia (no green cones) | #0E4486 | 0.015 |
| Tritanopia (no blue cones) | #005761 | 0.089 |
| Achromatopsia (no color) | #494949 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A4887
#1A4887
oklch(40.7% 0.117 257.4)
- #634200
#634200
oklch(40.6% 0.085 76.6)
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 #1A4887, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.014
- Light Navy #155084 ΔE 0.025
- Twilight Blue #0A437A ΔE 0.028
- Dusk Blue #26538D ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.059
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.061
Use #1A4887 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.