#2F5FC7
Closest named color: Mid Blue (#276AB3). oklch(51.3% 0.171 263.1), rgb(47, 95, 199).
Aa
White text reads best on this color (5.86:1).
About this color
#2F5FC7 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.171 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.046 away. White text reads best on it, at 5.86:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.58:1 |
| White text | 5.86:1 |
Values
| HEX | #2F5FC7 |
| RGB | rgb(47, 95, 199) |
| HSL | hsl(221, 62%, 48%) |
| OKLCH | oklch(51.3% 0.171 263.1) |
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 #2F5FC7 | 5.86:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #2F5FC7 | 3.58:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #2F5FC7 text on white | 5.86:1 | AA | Lc 78.8 | Fine for body text |
| #2F5FC7 text on black | 3.58:1 | AA large text | Lc -23.0 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A5C1F7
oklch(80.9% 0.083 263.3)
-
Step 400
400
#749FF3
oklch(70.7% 0.132 262.8)
-
Step 500
500
#5184EE
oklch(63.1% 0.169 263.1)
-
Step 600
600
#366BDD
oklch(55.6% 0.184 263)
-
Step 700
700 (this color)
#2F5FC7
oklch(51.3% 0.171 263.1)
-
Step 800
800
#23499B
oklch(42.7% 0.141 263.1)
-
Step 900
900
#213E7B
oklch(37.7% 0.11 263.1)
-
Step 950
950
#142548
oklch(27.1% 0.069 263.1)
#2F5FC7 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) | #166CCB | 0.034 |
| Deuteranopia (no green cones) | #005EC5 | 0.024 |
| Tritanopia (no blue cones) | #00788A | 0.133 |
| Achromatopsia (no color) | #656565 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5FC7
#2F5FC7
oklch(51.3% 0.171 263.1)
- #846000
#846000
oklch(51.3% 0.105 82.9)
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 #2F5FC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.046
- Warm Blue #4B57DB ΔE 0.046
- Royal Blue #4169E1 ΔE 0.051
- Azul #1D5DEC ΔE 0.058
- French Blue #436BAD ΔE 0.060
- Iris #6258C4 ΔE 0.061
- Neon Blue #4361EE ΔE 0.064
- Cerulean Blue #056EEE ΔE 0.068
Use #2F5FC7 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.