#2B53B6
Closest named color: Blue Blue (#2242C7). oklch(47.3% 0.164 264.4), rgb(43, 83, 182).
Aa
White text reads best on this color (6.96:1).
About this color
#2B53B6 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.164 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.050 away. White text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #2B53B6 |
| RGB | rgb(43, 83, 182) |
| HSL | hsl(223, 62%, 44%) |
| OKLCH | oklch(47.3% 0.164 264.4) |
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 #2B53B6 | 6.96:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #2B53B6 | 3.01:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #2B53B6 text on white | 6.96:1 | AA | Lc 83.6 | Fine for body text |
| #2B53B6 text on black | 3.01:1 | AA large text | Lc -18.3 | 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
#CBD9F7
oklch(88.4% 0.044 265.6)
-
Step 300
300
#A7C1F5
oklch(81% 0.079 264)
-
Step 400
400
#799EF0
oklch(70.7% 0.128 264.9)
-
Step 500
500
#5784EA
oklch(63.1% 0.161 264.4)
-
Step 600
600
#3D6BD9
oklch(55.6% 0.176 264.3)
-
Step 700
700 (this color)
#2B53B6
oklch(47.3% 0.164 264.4)
-
Step 800
800
#284998
oklch(42.7% 0.135 264.3)
-
Step 900
900
#243E79
oklch(37.7% 0.106 264.1)
-
Step 950
950
#162547
oklch(27.1% 0.066 264.5)
#2B53B6 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) | #0060B9 | 0.035 |
| Deuteranopia (no green cones) | #0053B4 | 0.023 |
| Tritanopia (no blue cones) | #006B7C | 0.129 |
| Achromatopsia (no color) | #595959 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B53B6
#2B53B6
oklch(47.3% 0.164 264.4)
- #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 #2B53B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.050
- Mid Blue #276AB3 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.067
- Dusk Blue #26538D ΔE 0.067
- Majorelle Blue #3F37C9 ΔE 0.067
- Blueberry #464196 ΔE 0.069
- Sapphire #2138AB ΔE 0.070
- Cobalt #1E488F ΔE 0.070
Use #2B53B6 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.