#004DBA
Closest named color: Blue Blue (#2242C7). oklch(45.4% 0.184 259.9), rgb(0, 77, 186).
Aa
White text reads best on this color (7.57:1).
About this color
#004DBA is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.184 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.033 away. White text reads best on it, at 7.57:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #004DBA |
| RGB | rgb(0, 77, 186) |
| HSL | hsl(215, 100%, 36%) |
| OKLCH | oklch(45.4% 0.184 259.9) |
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 #004DBA | 7.57:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #004DBA | 2.77:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #004DBA text on white | 7.57:1 | AAA | Lc 85.4 | Fine for body text |
| #004DBA text on black | 2.77:1 | Fails | Lc -16.6 | 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
#DEEBFF
oklch(93.6% 0.031 258.9)
-
Step 200
200
#C4DBFF
oklch(88.6% 0.056 259.3)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#659FFF
oklch(70.6% 0.154 260)
-
Step 500
500
#3883FF
oklch(63% 0.199 260)
-
Step 600
600
#0067F4
oklch(55.6% 0.226 260)
-
Step 700
700
#0056CE
oklch(49% 0.199 259.9)
-
Step 800
800 (this color)
#004DBA
oklch(45.4% 0.184 259.9)
-
Step 900
900
#073B8C
oklch(37.6% 0.144 260.1)
-
Step 950
950
#072452
oklch(27.1% 0.091 259.6)
#004DBA 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) | #005CBE | 0.039 |
| Deuteranopia (no green cones) | #004CB8 | 0.004 |
| Tritanopia (no blue cones) | #00697C | 0.139 |
| Achromatopsia (no color) | #545454 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004DBA
#004DBA
oklch(45.4% 0.184 259.9)
- #724F00
#724F00
oklch(45.4% 0.094 79.2)
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 #004DBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.033
- Sapphire #2138AB ΔE 0.053
- Majorelle Blue #3F37C9 ΔE 0.063
- Cobalt #1E488F ΔE 0.070
- Dusk Blue #26538D ΔE 0.078
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
- Blueberry #464196 ΔE 0.082
- Mid Blue #276AB3 ΔE 0.085
Use #004DBA 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.