#2A71A1
Closest named color: Muted Blue (#3B719F). oklch(52.7% 0.103 242.2), rgb(42, 113, 161).
Aa
White text reads best on this color (5.28:1).
About this color
#2A71A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.103 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.013 away. White text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #2A71A1 |
| RGB | rgb(42, 113, 161) |
| HSL | hsl(204, 59%, 40%) |
| OKLCH | oklch(52.7% 0.103 242.2) |
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 #2A71A1 | 5.28:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #2A71A1 | 3.97:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #2A71A1 text on white | 5.28:1 | AA | Lc 76.0 | Fine for body text |
| #2A71A1 text on black | 3.97:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A7C5DC
oklch(80.9% 0.046 241.2)
-
Step 400
400
#77A7CB
oklch(70.8% 0.074 241.5)
-
Step 500
500
#5290BE
oklch(63.1% 0.095 242.4)
-
Step 600
600 (this color)
#2A71A1
oklch(52.7% 0.103 242.2)
-
Step 700
700
#256692
oklch(49% 0.096 242.3)
-
Step 800
800
#215477
oklch(42.8% 0.079 242)
-
Step 900
900
#214560
oklch(37.7% 0.062 243.2)
-
Step 950
950
#142938
oklch(27.1% 0.039 241.3)
#2A71A1 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) | #5B72A3 | 0.050 |
| Deuteranopia (no green cones) | #4A67A0 | 0.038 |
| Tritanopia (no blue cones) | #007D82 | 0.072 |
| Achromatopsia (no color) | #6C6C6C | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A71A1
#2A71A1
oklch(52.7% 0.103 242.2)
- #955C22
#955C22
oklch(52.8% 0.103 62.2)
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 #2A71A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.013
- Ocean Blue #03719C ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.020
- Sea Blue #047495 ΔE 0.028
- Nice Blue #107AB0 ΔE 0.031
- Dull Blue #49759C ΔE 0.032
- French Blue #436BAD ΔE 0.035
- Mid Blue #276AB3 ΔE 0.039
Use #2A71A1 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.