#007BDE
Closest named color: Cerulean Blue (#056EEE). oklch(58.1% 0.176 252.3), rgb(0, 123, 222).
Aa
Black text reads best on this color (4.88:1).
About this color
#007BDE is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.176 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.043 away. Black text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #007BDE |
| RGB | rgb(0, 123, 222) |
| HSL | hsl(207, 100%, 44%) |
| OKLCH | oklch(58.1% 0.176 252.3) |
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 #007BDE | 4.29:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #007BDE | 4.88:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #007BDE text on white | 4.29:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #007BDE text on black | 4.88:1 | AA | Lc -32.7 | 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
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC4F3
oklch(80.8% 0.079 252.8)
-
Step 400
400
#63A4ED
oklch(70.6% 0.127 252.5)
-
Step 500
500
#318BE7
oklch(63% 0.162 252.4)
-
Step 600
600 (this color)
#007BDE
oklch(58.1% 0.176 252.3)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#0A4277
oklch(37.6% 0.105 252.3)
-
Step 950
950
#0A2746
oklch(27% 0.067 252.9)
#007BDE 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) | #4583E2 | 0.043 |
| Deuteranopia (no green cones) | #0D72DC | 0.023 |
| Tritanopia (no blue cones) | #0093A2 | 0.128 |
| Achromatopsia (no color) | #7A7A7A | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #007BDE
#007BDE
oklch(58.1% 0.176 252.3)
- #A76D00
#A76D00
oklch(58.2% 0.124 72.6)
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 #007BDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.043
- Water Blue #0E87CC ΔE 0.047
- Clear Blue #247AFD ΔE 0.049
- Windows Blue #3778BF ΔE 0.050
- Royal Blue #4169E1 ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.065
- Nice Blue #107AB0 ΔE 0.071
- Dodger Blue #1E90FF ΔE 0.072
Use #007BDE 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.