#2F61AF
Closest named color: Mid Blue (#276AB3). oklch(50% 0.136 259.1), rgb(47, 97, 175).
Aa
White text reads best on this color (6.08:1).
About this color
#2F61AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.136 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.024 away. White text reads best on it, at 6.08:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.44:1 |
| White text | 6.08:1 |
Values
| HEX | #2F61AF |
| RGB | rgb(47, 97, 175) |
| HSL | hsl(217, 58%, 44%) |
| OKLCH | oklch(50% 0.136 259.1) |
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 #2F61AF | 6.08:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #2F61AF | 3.44:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #2F61AF text on white | 6.08:1 | AA | Lc 80.1 | Fine for body text |
| #2F61AF text on black | 3.44:1 | AA large text | Lc -21.8 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A8C2EC
oklch(80.9% 0.066 259.9)
-
Step 400
400
#79A2E2
oklch(70.8% 0.105 259.1)
-
Step 500
500
#5689DA
oklch(63.1% 0.134 259.3)
-
Step 600
600
#3A71C7
oklch(55.5% 0.146 259.1)
-
Step 700
700 (this color)
#2F61AF
oklch(50% 0.136 259.1)
-
Step 800
800
#264D8B
oklch(42.6% 0.112 259.3)
-
Step 900
900
#23416F
oklch(37.7% 0.087 258.7)
-
Step 950
950
#152641
oklch(26.9% 0.056 259.3)
#2F61AF 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) | #3A68B2 | 0.024 |
| Deuteranopia (no green cones) | #215DAD | 0.017 |
| Tritanopia (no blue cones) | #00737F | 0.107 |
| Achromatopsia (no color) | #626262 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F61AF
#2F61AF
oklch(50% 0.136 259.1)
- #825B00
#825B00
oklch(50% 0.104 79.6)
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 #2F61AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.024
- French Blue #436BAD ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.048
- Peacock Blue #016795 ΔE 0.054
- Flat Blue #3C73A8 ΔE 0.058
- Denim #3B638C ΔE 0.059
- Muted Blue #3B719F ΔE 0.059
Use #2F61AF 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.