#2A61B9
Closest named color: Mid Blue (#276AB3). oklch(50.5% 0.151 259.5), rgb(42, 97, 185).
Aa
White text reads best on this color (5.98:1).
About this color
#2A61B9 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.151 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.028 away. White text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #2A61B9 |
| RGB | rgb(42, 97, 185) |
| HSL | hsl(217, 63%, 45%) |
| OKLCH | oklch(50.5% 0.151 259.5) |
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 #2A61B9 | 5.98:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #2A61B9 | 3.50:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #2A61B9 text on white | 5.98:1 | AA | Lc 79.5 | Fine for body text |
| #2A61B9 text on black | 3.50:1 | AA large text | Lc -22.3 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF5
oklch(88.5% 0.041 260.9)
-
Step 300
300
#A5C2F0
oklch(80.9% 0.073 259.5)
-
Step 400
400
#74A1E9
oklch(70.6% 0.117 259.5)
-
Step 500
500
#5088E2
oklch(63.1% 0.148 259.5)
-
Step 600
600
#3370D0
oklch(55.7% 0.161 259.3)
-
Step 700
700 (this color)
#2A61B9
oklch(50.5% 0.151 259.5)
-
Step 800
800
#214C92
oklch(42.6% 0.125 259.7)
-
Step 900
900
#204074
oklch(37.6% 0.097 259.6)
-
Step 950
950
#132644
oklch(27% 0.061 259.2)
#2A61B9 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) | #306ABC | 0.026 |
| Deuteranopia (no green cones) | #035DB7 | 0.024 |
| Tritanopia (no blue cones) | #007684 | 0.117 |
| Achromatopsia (no color) | #636363 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A61B9
#2A61B9
oklch(50.5% 0.151 259.5)
- #845C00
#845C00
oklch(50.4% 0.105 79.1)
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 #2A61B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.028
- French Blue #436BAD ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.062
- Dusky Blue #475F94 ΔE 0.063
- Flat Blue #3C73A8 ΔE 0.065
- Windows Blue #3778BF ΔE 0.066
- Peacock Blue #016795 ΔE 0.067
- Warm Blue #4B57DB ΔE 0.068
Use #2A61B9 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.