#2B53B4
Closest named color: Blue Blue (#2242C7). oklch(47.2% 0.161 264.2), rgb(43, 83, 180).
Aa
White text reads best on this color (7.00:1).
About this color
#2B53B4 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.161 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.052 away. White text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #2B53B4 |
| RGB | rgb(43, 83, 180) |
| HSL | hsl(222, 61%, 44%) |
| OKLCH | oklch(47.2% 0.161 264.2) |
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 #2B53B4 | 7.00:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #2B53B4 | 2.99:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #2B53B4 text on white | 7.00:1 | AAA | Lc 83.8 | Fine for body text |
| #2B53B4 text on black | 2.99:1 | Fails | Lc -18.2 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBDAF7
oklch(88.6% 0.043 263.7)
-
Step 300
300
#A7C1F4
oklch(80.9% 0.078 263.6)
-
Step 400
400
#799FEE
oklch(70.8% 0.124 263.9)
-
Step 500
500
#5784E9
oklch(63% 0.16 264.2)
-
Step 600
600
#3E6BD7
oklch(55.5% 0.173 264.4)
-
Step 700
700 (this color)
#2B53B4
oklch(47.2% 0.161 264.2)
-
Step 800
800
#284997
oklch(42.6% 0.134 264.2)
-
Step 900
900
#253E78
oklch(37.7% 0.104 264.4)
-
Step 950
950
#162546
oklch(27.1% 0.065 264.1)
#2B53B4 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) | #0460B7 | 0.035 |
| Deuteranopia (no green cones) | #0053B2 | 0.023 |
| Tritanopia (no blue cones) | #006B7B | 0.128 |
| Achromatopsia (no color) | #595959 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B53B4
#2B53B4
oklch(47.2% 0.161 264.2)
- #755600
#755600
oklch(47.3% 0.097 84.3)
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 #2B53B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.052
- Mid Blue #276AB3 ΔE 0.062
- Dusk Blue #26538D ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.064
- Blueberry #464196 ΔE 0.067
- Cobalt #1E488F ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.069
- Sapphire #2138AB ΔE 0.069
Use #2B53B4 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.