#1174DF
Closest named color: Cerulean Blue (#056EEE). oklch(56.8% 0.183 255.6), rgb(17, 116, 223).
Aa
Black text reads best on this color (4.58:1).
About this color
#1174DF is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.183 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.029 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #1174DF |
| RGB | rgb(17, 116, 223) |
| HSL | hsl(211, 86%, 47%) |
| OKLCH | oklch(56.8% 0.183 255.6) |
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 #1174DF | 4.57:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #1174DF | 4.58:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #1174DF text on white | 4.57:1 | AA | Lc 71.1 | Content text, not long reading |
| #1174DF text on black | 4.58:1 | AA | Lc -30.6 | 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
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9DC3F6
oklch(80.8% 0.083 255.9)
-
Step 400
400
#66A3F1
oklch(70.7% 0.131 255.2)
-
Step 500
500
#3989EC
oklch(63.1% 0.168 255.6)
-
Step 600
600 (this color)
#1174DF
oklch(56.8% 0.183 255.6)
-
Step 700
700
#005EBB
oklch(49.1% 0.165 255.5)
-
Step 800
800
#034D9A
oklch(42.8% 0.141 255.5)
-
Step 900
900
#11417A
oklch(37.8% 0.109 255.5)
-
Step 950
950
#0C2648
oklch(26.9% 0.071 256.4)
#1174DF 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) | #337FE3 | 0.037 |
| Deuteranopia (no green cones) | #006DDD | 0.020 |
| Tritanopia (no blue cones) | #008E9F | 0.136 |
| Achromatopsia (no color) | #757575 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1174DF
#1174DF
oklch(56.8% 0.183 255.6)
- #9F6B00
#9F6B00
oklch(56.8% 0.12 75.4)
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 #1174DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.029
- Royal Blue #4169E1 ΔE 0.036
- Clear Blue #247AFD ΔE 0.049
- Windows Blue #3778BF ΔE 0.055
- Neon Blue #4361EE ΔE 0.057
- Bright Blue #0165FC ΔE 0.059
- Azul #1D5DEC ΔE 0.060
- Water Blue #0E87CC ΔE 0.064
Use #1174DF 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.