#1C54AD
Closest named color: Dusk Blue (#26538D). oklch(46.3% 0.154 259.7), rgb(28, 84, 173).
Aa
White text reads best on this color (7.18:1).
About this color
#1C54AD is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.154 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.052 away. White text reads best on it, at 7.18:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #1C54AD |
| RGB | rgb(28, 84, 173) |
| HSL | hsl(217, 72%, 39%) |
| OKLCH | oklch(46.3% 0.154 259.7) |
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 #1C54AD | 7.18:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #1C54AD | 2.92:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #1C54AD text on white | 7.18:1 | AAA | Lc 84.4 | Fine for body text |
| #1C54AD text on black | 2.92:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A5C2F1
oklch(80.9% 0.074 260)
-
Step 400
400
#73A1EB
oklch(70.7% 0.12 259.6)
-
Step 500
500
#4F88E4
oklch(63.2% 0.151 259.5)
-
Step 600
600
#326FD2
oklch(55.5% 0.165 259.7)
-
Step 700
700 (this color)
#1C54AD
oklch(46.3% 0.154 259.7)
-
Step 800
800
#204C93
oklch(42.7% 0.127 259.6)
-
Step 900
900
#1F4075
oklch(37.7% 0.099 259.5)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#1C54AD 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) | #195EB0 | 0.027 |
| Deuteranopia (no green cones) | #0051AB | 0.016 |
| Tritanopia (no blue cones) | #006A78 | 0.119 |
| Achromatopsia (no color) | #575757 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C54AD
#1C54AD
oklch(46.3% 0.154 259.7)
- #755200
#755200
oklch(46.4% 0.096 80.1)
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 #1C54AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.052
- Cobalt #1E488F ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.058
- Blue Blue #2242C7 ΔE 0.059
- Mid Blue #276AB3 ΔE 0.063
- Light Navy Blue #2E5A88 ΔE 0.066
- Light Navy #155084 ΔE 0.068
- Blueberry #464196 ΔE 0.068
Use #1C54AD 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.