#0074DB
Closest named color: Cerulean Blue (#056EEE). oklch(56.4% 0.18 254.1), rgb(0, 116, 219).
Aa
White text reads best on this color (4.64:1).
About this color
#0074DB is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.180 and its hue 254°. 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 4.64:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #0074DB |
| RGB | rgb(0, 116, 219) |
| HSL | hsl(208, 100%, 43%) |
| OKLCH | oklch(56.4% 0.18 254.1) |
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 #0074DB | 4.64:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #0074DB | 4.52:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #0074DB text on white | 4.64:1 | AA | Lc 71.5 | Content text, not long reading |
| #0074DB text on black | 4.52:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF7
oklch(88.4% 0.045 254.5)
-
Step 300
300
#9DC4F4
oklch(80.9% 0.08 253.9)
-
Step 400
400
#65A3EF
oklch(70.6% 0.129 254.4)
-
Step 500
500
#358AEA
oklch(63.1% 0.166 254.1)
-
Step 600
600 (this color)
#0074DB
oklch(56.4% 0.18 254.1)
-
Step 700
700
#005FB6
oklch(49% 0.157 254.2)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#0E4179
oklch(37.6% 0.109 254.5)
-
Step 950
950
#0B2747
oklch(27.1% 0.068 254.1)
#0074DB 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) | #377EDF | 0.039 |
| Deuteranopia (no green cones) | #006CD9 | 0.021 |
| Tritanopia (no blue cones) | #008D9D | 0.133 |
| Achromatopsia (no color) | #747474 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0074DB
#0074DB
oklch(56.4% 0.18 254.1)
- #9E6900
#9E6900
oklch(56.3% 0.119 74.4)
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 #0074DB, 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 0.041
- Windows Blue #3778BF ΔE 0.051
- Clear Blue #247AFD ΔE 0.056
- Water Blue #0E87CC ΔE 0.061
- Neon Blue #4361EE ΔE 0.062
- Azul #1D5DEC ΔE 0.062
- Bright Blue #0165FC ΔE 0.063
Use #0074DB 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.