#2651B8
Closest named color: Blue Blue (#2242C7). oklch(46.9% 0.17 263.9), rgb(38, 81, 184).
Aa
White text reads best on this color (7.11:1).
About this color
#2651B8 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.170 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.043 away. White text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #2651B8 |
| RGB | rgb(38, 81, 184) |
| HSL | hsl(222, 66%, 44%) |
| OKLCH | oklch(46.9% 0.17 263.9) |
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 #2651B8 | 7.11:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #2651B8 | 2.95:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #2651B8 text on white | 7.11:1 | AAA | Lc 84.1 | Fine for body text |
| #2651B8 text on black | 2.95:1 | Fails | Lc -17.8 | 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
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A6C1F7
oklch(81% 0.082 264)
-
Step 400
400
#769EF3
oklch(70.6% 0.133 264.2)
-
Step 500
500
#5384EE
oklch(63.1% 0.168 263.6)
-
Step 600
600
#396ADD
oklch(55.5% 0.184 264)
-
Step 700
700 (this color)
#2651B8
oklch(46.9% 0.17 263.9)
-
Step 800
800
#25489B
oklch(42.6% 0.142 264.1)
-
Step 900
900
#223E7B
oklch(37.8% 0.109 263.5)
-
Step 950
950
#142548
oklch(27.1% 0.069 263.1)
#2651B8 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) | #005FBC | 0.036 |
| Deuteranopia (no green cones) | #0052B6 | 0.019 |
| Tritanopia (no blue cones) | #006B7C | 0.134 |
| Achromatopsia (no color) | #585858 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2651B8
#2651B8
oklch(46.9% 0.17 263.9)
- #745500
#745500
oklch(47% 0.096 84)
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 #2651B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.043
- Majorelle Blue #3F37C9 ΔE 0.063
- Sapphire #2138AB ΔE 0.064
- Mid Blue #276AB3 ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Cobalt #1E488F ΔE 0.070
- Dusk Blue #26538D ΔE 0.071
- Blueberry #464196 ΔE 0.071
Use #2651B8 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.