#053C98
Closest named color: Sapphire (#2138AB). oklch(38.9% 0.16 260.9), rgb(5, 60, 152).
Aa
White text reads best on this color (9.97:1).
About this color
#053C98 is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.160 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.037 away. White text reads best on it, at 9.97:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #053C98 |
| RGB | rgb(5, 60, 152) |
| HSL | hsl(218, 94%, 31%) |
| OKLCH | oklch(38.9% 0.16 260.9) |
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 #053C98 | 9.97:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #053C98 | 2.10:1 | Fails | Lc 11.6 | Not readable |
| #053C98 text on white | 9.97:1 | AAA | Lc 92.3 | Preferred for body text |
| #053C98 text on black | 2.10:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFF
oklch(93.7% 0.03 260.7)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC2FF
oklch(81% 0.095 260.8)
-
Step 400
400
#689FFF
oklch(70.7% 0.153 260.8)
-
Step 500
500
#3D83FF
oklch(63.2% 0.198 260.8)
-
Step 600
600
#0064FB
oklch(55.6% 0.238 260.9)
-
Step 700
700
#0053D5
oklch(49% 0.211 261)
-
Step 800
800
#0044B1
oklch(42.8% 0.184 260.9)
-
Step 900
900 (this color)
#053C98
oklch(38.9% 0.16 260.9)
-
Step 950
950
#052257
oklch(27% 0.102 261)
#053C98 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) | #00499B | 0.034 |
| Deuteranopia (no green cones) | #003C96 | 0.004 |
| Tritanopia (no blue cones) | #005464 | 0.121 |
| Achromatopsia (no color) | #434343 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #053C98
#053C98
oklch(38.9% 0.16 260.9)
- #5A3F00
#5A3F00
oklch(38.8% 0.08 81.1)
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 #053C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.037
- Cobalt #1E488F ΔE 0.042
- Twilight Blue #0A437A ΔE 0.055
- Light Navy #155084 ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Dusk Blue #26538D ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.075
- Royal #0C1793 ΔE 0.076
Use #053C98 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.