#046FD8
Closest named color: Cerulean Blue (#056EEE). oklch(55.1% 0.181 255.3), rgb(4, 111, 216).
Aa
White text reads best on this color (4.91:1).
About this color
#046FD8 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.181 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.034 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #046FD8 |
| RGB | rgb(4, 111, 216) |
| HSL | hsl(210, 96%, 43%) |
| OKLCH | oklch(55.1% 0.181 255.3) |
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 #046FD8 | 4.91:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #046FD8 | 4.27:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #046FD8 text on white | 4.91:1 | AA | Lc 73.3 | Content text, not long reading |
| #046FD8 text on black | 4.27:1 | AA large text | Lc -28.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF7
oklch(88.5% 0.045 255.6)
-
Step 300
300
#9EC4F5
oklch(81% 0.081 255)
-
Step 400
400
#66A3F0
oklch(70.7% 0.13 255)
-
Step 500
500
#3989EB
oklch(63% 0.167 255.4)
-
Step 600
600 (this color)
#046FD8
oklch(55.1% 0.181 255.3)
-
Step 700
700
#005EBA
oklch(49.1% 0.163 255.3)
-
Step 800
800
#034D99
oklch(42.7% 0.14 255.3)
-
Step 900
900
#11417A
oklch(37.8% 0.109 255.5)
-
Step 950
950
#0C2647
oklch(26.9% 0.069 255.8)
#046FD8 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) | #2E7ADC | 0.037 |
| Deuteranopia (no green cones) | #0068D6 | 0.019 |
| Tritanopia (no blue cones) | #008999 | 0.136 |
| Achromatopsia (no color) | #707070 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #046FD8
#046FD8
oklch(55.1% 0.181 255.3)
- #986600
#986600
oklch(55% 0.116 75.3)
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 #046FD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.034
- Royal Blue #4169E1 ΔE 0.038
- Azul #1D5DEC ΔE 0.054
- Windows Blue #3778BF ΔE 0.055
- Mid Blue #276AB3 ΔE 0.057
- Neon Blue #4361EE ΔE 0.058
- Bright Blue #0165FC ΔE 0.061
- Clear Blue #247AFD ΔE 0.064
Use #046FD8 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.