#2150B1
Closest named color: Blue Blue (#2242C7). oklch(45.9% 0.163 262.5), rgb(33, 80, 177).
Aa
White text reads best on this color (7.37:1).
About this color
#2150B1 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.163 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.048 away. White text reads best on it, at 7.37:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #2150B1 |
| RGB | rgb(33, 80, 177) |
| HSL | hsl(220, 69%, 41%) |
| OKLCH | oklch(45.9% 0.163 262.5) |
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 #2150B1 | 7.37:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #2150B1 | 2.84:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #2150B1 text on white | 7.37:1 | AAA | Lc 85.1 | Fine for body text |
| #2150B1 text on black | 2.84:1 | Fails | Lc -16.9 | 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
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A5C1F4
oklch(80.8% 0.079 262.3)
-
Step 400
400
#759FEF
oklch(70.6% 0.127 262.5)
-
Step 500
500
#5285EA
oklch(63.1% 0.162 262.5)
-
Step 600
600
#376CD8
oklch(55.5% 0.176 262.5)
-
Step 700
700 (this color)
#2150B1
oklch(45.9% 0.163 262.5)
-
Step 800
800
#244A98
oklch(42.8% 0.135 262.6)
-
Step 900
900
#213F79
oklch(37.8% 0.105 262.1)
-
Step 950
950
#142547
oklch(27% 0.067 262.7)
#2150B1 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) | #005DB4 | 0.034 |
| Deuteranopia (no green cones) | #004FAF | 0.017 |
| Tritanopia (no blue cones) | #006878 | 0.127 |
| Achromatopsia (no color) | #565656 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2150B1
#2150B1
oklch(45.9% 0.163 262.5)
- #725200
#725200
oklch(46.1% 0.095 82.4)
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 #2150B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.048
- Cobalt #1E488F ΔE 0.058
- Sapphire #2138AB ΔE 0.059
- Dusk Blue #26538D ΔE 0.060
- Blueberry #464196 ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.068
- Mid Blue #276AB3 ΔE 0.072
Use #2150B1 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.