#2F5AA6
Closest named color: Denim Blue (#3B5B92). oklch(47.8% 0.132 260.8), rgb(47, 90, 166).
Aa
White text reads best on this color (6.70:1).
About this color
#2F5AA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.132 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.035 away. White text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #2F5AA6 |
| RGB | rgb(47, 90, 166) |
| HSL | hsl(218, 56%, 42%) |
| OKLCH | oklch(47.8% 0.132 260.8) |
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 #2F5AA6 | 6.70:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #2F5AA6 | 3.13:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #2F5AA6 text on white | 6.70:1 | AA | Lc 82.7 | Fine for body text |
| #2F5AA6 text on black | 3.13:1 | AA large text | Lc -19.2 | 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
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF1
oklch(88.5% 0.035 260.4)
-
Step 300
300
#AAC2EA
oklch(81% 0.063 260.6)
-
Step 400
400
#7CA1E0
oklch(70.7% 0.102 260.7)
-
Step 500
500
#5B88D8
oklch(63.1% 0.131 261.2)
-
Step 600
600
#4171C5
oklch(55.7% 0.141 260.8)
-
Step 700
700 (this color)
#2F5AA6
oklch(47.8% 0.132 260.8)
-
Step 800
800
#2A4D8A
oklch(42.7% 0.109 260.7)
-
Step 900
900
#26416E
oklch(37.8% 0.084 260.1)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#2F5AA6 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) | #3462A9 | 0.024 |
| Deuteranopia (no green cones) | #1C57A4 | 0.019 |
| Tritanopia (no blue cones) | #006C78 | 0.105 |
| Achromatopsia (no color) | #5C5C5C | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5AA6
#2F5AA6
oklch(47.8% 0.132 260.8)
- #795600
#795600
oklch(47.8% 0.099 81.2)
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 #2F5AA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.044
- Dusk Blue #26538D ΔE 0.045
- Mid Blue #276AB3 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.049
- Peacock Blue #016795 ΔE 0.054
- French Blue #436BAD ΔE 0.055
- Denim #3B638C ΔE 0.056
Use #2F5AA6 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.