#2F5574
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.067 244.8), rgb(47, 85, 116).
Aa
White text reads best on this color (7.85:1).
About this color
#2F5574 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.067 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #2F5574 |
| RGB | rgb(47, 85, 116) |
| HSL | hsl(207, 42%, 32%) |
| OKLCH | oklch(43.6% 0.067 244.8) |
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 #2F5574 | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #2F5574 | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #2F5574 text on white | 7.85:1 | AAA | Lc 87.1 | Fine for body text |
| #2F5574 text on black | 2.67:1 | Fails | Lc -15.0 | Not readable |
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 800.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ACC4D9
oklch(80.9% 0.04 244.7)
-
Step 400
400
#80A5C6
oklch(70.7% 0.063 245.8)
-
Step 500
500
#5E8FB7
oklch(63.1% 0.08 244.2)
-
Step 600
600
#4478A3
oklch(55.5% 0.087 245.2)
-
Step 700
700
#35658C
oklch(49.1% 0.082 245.1)
-
Step 800
800 (this color)
#2F5574
oklch(43.6% 0.067 244.8)
-
Step 900
900
#28445C
oklch(37.6% 0.054 245.7)
-
Step 950
950
#182836
oklch(27% 0.034 245.9)
#2F5574 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) | #485675 | 0.032 |
| Deuteranopia (no green cones) | #3E4F73 | 0.023 |
| Tritanopia (no blue cones) | #005C60 | 0.054 |
| Achromatopsia (no color) | #525252 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5574
#2F5574
oklch(43.6% 0.067 244.8)
- #6B4927
#6B4927
oklch(43.5% 0.067 64.4)
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 #2F5574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Light Navy Blue #2E5A88 ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.036
- Light Navy #155084 ΔE 0.040
- Dusk Blue #26538D ΔE 0.044
- Petrol #005F6A ΔE 0.047
- Dusk #4E5481 ΔE 0.047
- Dusty Grape #545775 ΔE 0.050
Use #2F5574 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.