#2B61CA
Closest named color: Mid Blue (#276AB3). oklch(51.8% 0.173 261.9), rgb(43, 97, 202).
Aa
White text reads best on this color (5.72:1).
About this color
#2B61CA is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.173 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.046 away. White text reads best on it, at 5.72:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.66:1 |
| White text | 5.72:1 |
Values
| HEX | #2B61CA |
| RGB | rgb(43, 97, 202) |
| HSL | hsl(220, 65%, 48%) |
| OKLCH | oklch(51.8% 0.173 261.9) |
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 #2B61CA | 5.72:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #2B61CA | 3.66:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #2B61CA text on white | 5.72:1 | AA | Lc 78.2 | Fine for body text |
| #2B61CA text on black | 3.66:1 | AA large text | Lc -23.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A3C1F8
oklch(80.8% 0.085 262.3)
-
Step 400
400
#719FF4
oklch(70.6% 0.135 261.9)
-
Step 500
500
#4C85F0
oklch(63.2% 0.172 261.7)
-
Step 600
600
#306BDE
oklch(55.5% 0.187 261.9)
-
Step 700
700 (this color)
#2B61CA
oklch(51.8% 0.173 261.9)
-
Step 800
800
#1F499C
oklch(42.7% 0.144 262.1)
-
Step 900
900
#1E3E7C
oklch(37.7% 0.112 262)
-
Step 950
950
#122549
oklch(27% 0.071 261.9)
#2B61CA 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) | #176ECE | 0.033 |
| Deuteranopia (no green cones) | #005FC8 | 0.021 |
| Tritanopia (no blue cones) | #007B8C | 0.136 |
| Achromatopsia (no color) | #666666 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B61CA
#2B61CA
oklch(51.8% 0.173 261.9)
- #876100
#876100
oklch(51.8% 0.107 81.8)
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 #2B61CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.046
- Warm Blue #4B57DB ΔE 0.046
- Royal Blue #4169E1 ΔE 0.047
- Azul #1D5DEC ΔE 0.054
- Neon Blue #4361EE ΔE 0.061
- French Blue #436BAD ΔE 0.061
- Cerulean Blue #056EEE ΔE 0.061
- Iris #6258C4 ΔE 0.065
Use #2B61CA 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.