#034DAF
Closest named color: Blue Blue (#2242C7). oklch(44.5% 0.169 259), rgb(3, 77, 175).
Aa
White text reads best on this color (7.82:1).
About this color
#034DAF is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.169 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.047 away. White text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #034DAF |
| RGB | rgb(3, 77, 175) |
| HSL | hsl(214, 97%, 35%) |
| OKLCH | oklch(44.5% 0.169 259) |
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 #034DAF | 7.82:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #034DAF | 2.68:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #034DAF text on white | 7.82:1 | AAA | Lc 86.3 | Fine for body text |
| #034DAF text on black | 2.68:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#63A0FF
oklch(70.7% 0.154 259)
-
Step 500
500
#3384FF
oklch(63.1% 0.199 259)
-
Step 600
600
#006AEE
oklch(55.7% 0.215 258.9)
-
Step 700
700
#0058C9
oklch(49% 0.19 259)
-
Step 800
800 (this color)
#034DAF
oklch(44.5% 0.169 259)
-
Step 900
900
#0B3D86
oklch(37.6% 0.133 259.1)
-
Step 950
950
#09254E
oklch(27.1% 0.083 258.4)
#034DAF 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) | #0059B2 | 0.032 |
| Deuteranopia (no green cones) | #004BAD | 0.006 |
| Tritanopia (no blue cones) | #006676 | 0.129 |
| Achromatopsia (no color) | #525252 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034DAF
#034DAF
oklch(44.5% 0.169 259)
- #6F4D00
#6F4D00
oklch(44.6% 0.093 79.4)
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 #034DAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.047
- Sapphire #2138AB ΔE 0.049
- Cobalt #1E488F ΔE 0.053
- Dusk Blue #26538D ΔE 0.062
- Blueberry #464196 ΔE 0.071
- Light Navy #155084 ΔE 0.072
- Majorelle Blue #3F37C9 ΔE 0.073
- Denim Blue #3B5B92 ΔE 0.078
Use #034DAF 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.