#2C5BD0
Closest named color: Warm Blue (#4B57DB). oklch(51.1% 0.188 264.2), rgb(44, 91, 208).
Aa
White text reads best on this color (5.97:1).
About this color
#2C5BD0 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.188 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.037 away. White text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #2C5BD0 |
| RGB | rgb(44, 91, 208) |
| HSL | hsl(223, 65%, 49%) |
| OKLCH | oklch(51.1% 0.188 264.2) |
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 #2C5BD0 | 5.97:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #2C5BD0 | 3.51:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #2C5BD0 text on white | 5.97:1 | AA | Lc 79.3 | Fine for body text |
| #2C5BD0 text on black | 3.51:1 | AA large text | Lc -22.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#729DFB
oklch(70.6% 0.146 264.4)
-
Step 500
500
#4E81F9
oklch(63% 0.188 264.4)
-
Step 600
600
#3367E8
oklch(55.6% 0.204 264.2)
-
Step 700
700 (this color)
#2C5BD0
oklch(51.1% 0.188 264.2)
-
Step 800
800
#2146A3
oklch(42.7% 0.157 264.3)
-
Step 900
900
#1F3C81
oklch(37.6% 0.122 264.2)
-
Step 950
950
#13244C
oklch(27.1% 0.077 264.5)
#2C5BD0 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) | #006BD4 | 0.040 |
| Deuteranopia (no green cones) | #005CCE | 0.020 |
| Tritanopia (no blue cones) | #00788C | 0.147 |
| Achromatopsia (no color) | #636363 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C5BD0
#2C5BD0
oklch(51.1% 0.188 264.2)
- #826000
#826000
oklch(51% 0.105 84.3)
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 #2C5BD0, closest first.
No curated palette has a color within ΔE 0.04 of #2C5BD0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.037
- Azul #1D5DEC ΔE 0.043
- Royal Blue #4169E1 ΔE 0.050
- Neon Blue #4361EE ΔE 0.055
- Blue Blue #2242C7 ΔE 0.062
- Cerulean Blue #056EEE ΔE 0.063
- Mid Blue #276AB3 ΔE 0.063
- Iris #6258C4 ΔE 0.066
Use #2C5BD0 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.