#2A5FD7
Closest named color: Azul (#1D5DEC). oklch(52.3% 0.193 263.3), rgb(42, 95, 215).
Aa
White text reads best on this color (5.65:1).
About this color
#2A5FD7 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.193 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.033 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #2A5FD7 |
| RGB | rgb(42, 95, 215) |
| HSL | hsl(222, 68%, 50%) |
| OKLCH | oklch(52.3% 0.193 263.3) |
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 #2A5FD7 | 5.65:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #2A5FD7 | 3.71:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #2A5FD7 text on white | 5.65:1 | AA | Lc 77.6 | Fine for body text |
| #2A5FD7 text on black | 3.71:1 | AA large text | Lc -24.1 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C7DAFC
oklch(88.5% 0.051 262.1)
-
Step 300
300
#A1C1FE
oklch(81% 0.094 263)
-
Step 400
400
#6F9EFD
oklch(70.8% 0.149 263.2)
-
Step 500
500
#4982FB
oklch(63.2% 0.19 263.1)
-
Step 600
600
#2D67EA
oklch(55.5% 0.208 263.2)
-
Step 700
700 (this color)
#2A5FD7
oklch(52.3% 0.193 263.3)
-
Step 800
800
#1D46A5
oklch(42.7% 0.16 263.5)
-
Step 900
900
#1C3C83
oklch(37.7% 0.126 263.3)
-
Step 950
950
#11244C
oklch(27% 0.078 263.1)
#2A5FD7 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) | #006FDB | 0.040 |
| Deuteranopia (no green cones) | #005FD5 | 0.018 |
| Tritanopia (no blue cones) | #007D92 | 0.149 |
| Achromatopsia (no color) | #676767 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A5FD7
#2A5FD7
oklch(52.3% 0.193 263.3)
- #886300
#886300
oklch(52.4% 0.108 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 #2A5FD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.033
- Warm Blue #4B57DB ΔE 0.035
- Royal Blue #4169E1 ΔE 0.038
- Neon Blue #4361EE ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.049
- Bright Blue #0165FC ΔE 0.058
- Mid Blue #276AB3 ΔE 0.066
- Iris #6258C4 ΔE 0.069
Use #2A5FD7 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.