#4758DD
Closest named color: Warm Blue (#4B57DB). oklch(52.8% 0.202 271.9), rgb(71, 88, 221).
Aa
White text reads best on this color (5.66:1).
About this color
#4758DD is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.202 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.006 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #4758DD |
| RGB | rgb(71, 88, 221) |
| HSL | hsl(233, 69%, 57%) |
| OKLCH | oklch(52.8% 0.202 271.9) |
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 #4758DD | 5.66:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #4758DD | 3.70:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #4758DD text on white | 5.66:1 | AA | Lc 77.8 | Fine for body text |
| #4758DD text on black | 3.70:1 | AA large text | Lc -24.0 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FB
oklch(88.5% 0.05 271.6)
-
Step 300
300
#ACBEFC
oklch(81% 0.09 271.8)
-
Step 400
400
#8199FB
oklch(70.7% 0.146 271.8)
-
Step 500
500
#647CF8
oklch(63.1% 0.186 271.8)
-
Step 600
600 (this color)
#4758DD
oklch(52.8% 0.202 271.9)
-
Step 700
700
#404FC9
oklch(49.1% 0.188 272.1)
-
Step 800
800
#3442A2
oklch(42.7% 0.155 271.8)
-
Step 900
900
#2D3981
oklch(37.8% 0.121 272.2)
-
Step 950
950
#1A224B
oklch(27% 0.076 272.1)
#4758DD 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) | #006EE1 | 0.060 |
| Deuteranopia (no green cones) | #0060DA | 0.046 |
| Tritanopia (no blue cones) | #007992 | 0.163 |
| Achromatopsia (no color) | #676767 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4758DD
#4758DD
oklch(52.8% 0.202 271.9)
- #826800
#826800
oklch(52.8% 0.108 91.5)
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 #4758DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.006
- Neon Blue #4361EE ΔE 0.032
- Royal Blue #4169E1 ΔE 0.040
- Azul #1D5DEC ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.051
- Iris #6258C4 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.059
Use #4758DD 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.