#1C5592
Closest named color: Dusk Blue (#26538D). oklch(44.6% 0.116 253.2), rgb(28, 85, 146).
Aa
White text reads best on this color (7.59:1).
About this color
#1C5592 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.116 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.011 away. White text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #1C5592 |
| RGB | rgb(28, 85, 146) |
| HSL | hsl(211, 68%, 34%) |
| OKLCH | oklch(44.6% 0.116 253.2) |
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 #1C5592 | 7.59:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #1C5592 | 2.76:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #1C5592 text on white | 7.59:1 | AAA | Lc 86.0 | Fine for body text |
| #1C5592 text on black | 2.76:1 | Fails | Lc -16.0 | Dividers and decoration only |
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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C8DBF2
oklch(88.4% 0.038 253.2)
-
Step 300
300
#A2C4EC
oklch(80.9% 0.068 252.7)
-
Step 400
400
#6FA4E3
oklch(70.7% 0.109 253.5)
-
Step 500
500
#468CDB
oklch(63.2% 0.139 253.2)
-
Step 600
600
#2474C8
oklch(55.6% 0.15 253.3)
-
Step 700
700
#1561AD
oklch(49.1% 0.14 253.2)
-
Step 800
800 (this color)
#1C5592
oklch(44.6% 0.116 253.2)
-
Step 900
900
#1A4370
oklch(37.8% 0.09 253.1)
-
Step 950
950
#102742
oklch(27% 0.058 253.9)
#1C5592 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) | #375A94 | 0.030 |
| Deuteranopia (no green cones) | #234F91 | 0.017 |
| Tritanopia (no blue cones) | #00636C | 0.086 |
| Achromatopsia (no color) | #545454 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C5592
#1C5592
oklch(44.6% 0.116 253.2)
- #734A00
#734A00
oklch(44.5% 0.095 73)
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 #1C5592, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.011
- Light Navy #155084 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.029
- Deep Sea Blue #015482 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.036
- Cobalt #1E488F ΔE 0.037
- Peacock Blue #016795 ΔE 0.052
- Twilight #4E518B ΔE 0.055
Use #1C5592 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.