#1572EA
Closest named color: Cerulean Blue (#056EEE). oklch(57.2% 0.199 257.9), rgb(21, 114, 234).
Aa
Black text reads best on this color (4.62:1).
About this color
#1572EA is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.199 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.013 away. Black text reads best on it, at 4.62:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #1572EA |
| RGB | rgb(21, 114, 234) |
| HSL | hsl(214, 84%, 50%) |
| OKLCH | oklch(57.2% 0.199 257.9) |
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 #1572EA | 4.53:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #1572EA | 4.62:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #1572EA text on white | 4.53:1 | AA | Lc 70.8 | Content text, not long reading |
| #1572EA text on black | 4.62:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFB
oklch(88.5% 0.05 257.7)
-
Step 300
300
#9DC3FB
oklch(81% 0.09 258)
-
Step 400
400
#65A1F9
oklch(70.7% 0.144 257.9)
-
Step 500
500
#3886F5
oklch(63% 0.183 257.9)
-
Step 600
600 (this color)
#1572EA
oklch(57.2% 0.199 257.9)
-
Step 700
700
#005AC4
oklch(49% 0.181 258)
-
Step 800
800
#054AA0
oklch(42.6% 0.153 257.9)
-
Step 900
900
#113F7F
oklch(37.7% 0.119 258)
-
Step 950
950
#0C264B
oklch(27.2% 0.076 257.8)
#1572EA 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) | #1980EE | 0.036 |
| Deuteranopia (no green cones) | #006DE8 | 0.015 |
| Tritanopia (no blue cones) | #0090A3 | 0.151 |
| Achromatopsia (no color) | #767676 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1572EA
#1572EA
oklch(57.2% 0.199 257.9)
- #9E6D00
#9E6D00
oklch(57.1% 0.119 77.6)
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 #1572EA, closest first.
No curated palette has a color within ΔE 0.04 of #1572EA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.013
- Royal Blue #4169E1 ΔE 0.033
- Clear Blue #247AFD ΔE 0.036
- Bright Blue #0165FC ΔE 0.043
- Neon Blue #4361EE ΔE 0.046
- Azul #1D5DEC ΔE 0.050
- Warm Blue #4B57DB ΔE 0.070
- Windows Blue #3778BF ΔE 0.072
Use #1572EA 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.