#1552AF
Closest named color: Blue Blue (#2242C7). oklch(45.9% 0.161 259.4), rgb(21, 82, 175).
Aa
White text reads best on this color (7.34:1).
About this color
#1552AF is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.161 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.053 away. White text reads best on it, at 7.34:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #1552AF |
| RGB | rgb(21, 82, 175) |
| HSL | hsl(216, 79%, 38%) |
| OKLCH | oklch(45.9% 0.161 259.4) |
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 #1552AF | 7.34:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #1552AF | 2.85:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #1552AF text on white | 7.34:1 | AAA | Lc 84.9 | Fine for body text |
| #1552AF text on black | 2.85:1 | Fails | Lc -17.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FE
oklch(80.9% 0.094 259.9)
-
Step 400
400
#66A0FD
oklch(70.7% 0.15 259.4)
-
Step 500
500
#3A84FB
oklch(63% 0.192 259.6)
-
Step 600
600
#126AEA
oklch(55.5% 0.209 259.5)
-
Step 700
700
#0157CC
oklch(49% 0.195 259.6)
-
Step 800
800 (this color)
#1552AF
oklch(45.9% 0.161 259.4)
-
Step 900
900
#123E82
oklch(37.7% 0.124 259.3)
-
Step 950
950
#0C254C
oklch(27% 0.079 259.2)
#1552AF 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) | #075DB2 | 0.029 |
| Deuteranopia (no green cones) | #004FAD | 0.013 |
| Tritanopia (no blue cones) | #006978 | 0.123 |
| Achromatopsia (no color) | #565656 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1552AF
#1552AF
oklch(45.9% 0.161 259.4)
- #735000
#735000
oklch(45.7% 0.095 79.5)
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 #1552AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.053
- Cobalt #1E488F ΔE 0.056
- Dusk Blue #26538D ΔE 0.056
- Sapphire #2138AB ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.065
- Mid Blue #276AB3 ΔE 0.069
- Blueberry #464196 ΔE 0.069
- Light Navy #155084 ΔE 0.070
Use #1552AF 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.