#1457AB
Closest named color: Dusk Blue (#26538D). oklch(46.6% 0.149 256.9), rgb(20, 87, 171).
Aa
White text reads best on this color (7.04:1).
About this color
#1457AB is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.149 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.049 away. White text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #1457AB |
| RGB | rgb(20, 87, 171) |
| HSL | hsl(213, 79%, 37%) |
| OKLCH | oklch(46.6% 0.149 256.9) |
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 #1457AB | 7.04:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #1457AB | 2.98:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #1457AB text on white | 7.04:1 | AAA | Lc 83.8 | Fine for body text |
| #1457AB text on black | 2.98:1 | Fails | Lc -18.1 | 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 700.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A3C3F0
oklch(80.9% 0.073 256.9)
-
Step 400
400
#71A2E8
oklch(70.6% 0.116 257.3)
-
Step 500
500
#4A89E1
oklch(63% 0.148 257.2)
-
Step 600
600
#2B71CF
oklch(55.6% 0.161 257.1)
-
Step 700
700 (this color)
#1457AB
oklch(46.6% 0.149 256.9)
-
Step 800
800
#1B4E91
oklch(42.8% 0.123 256.8)
-
Step 900
900
#1C4174
oklch(37.7% 0.097 257.1)
-
Step 950
950
#112644
oklch(26.9% 0.062 257.5)
#1457AB 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) | #2460AE | 0.029 |
| Deuteranopia (no green cones) | #0052A9 | 0.017 |
| Tritanopia (no blue cones) | #006B79 | 0.111 |
| Achromatopsia (no color) | #595959 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1457AB
#1457AB
oklch(46.6% 0.149 256.9)
- #785100
#785100
oklch(46.6% 0.098 76.8)
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 #1457AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.053
- Mid Blue #276AB3 ΔE 0.057
- Cobalt #1E488F ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.061
- Peacock Blue #016795 ΔE 0.063
- Light Navy #155084 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.066
Use #1457AB 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.